(Action Comics I #226) - Congo Bill and Janu the Jungle Boy were on the trail of jungle raiders when bill caught jungle sickness, and was confined to his cot to recover. A doctor treated him and Jungle Joe arrived, claiming the jungle police sent him to stop the raiders, and asking for Janu's help while Bill recovered. Bill was up and around again, but jealous of how Janu looked up to Joe, and insulted when Joie said he was staying lead on the case. Joe told Janu that the jungle sickness left Bill with a weak heart, and they needed to get him out of the jungle and away from their case. Using apples to attract baboons they placed bill in peril, and Jungle Joe had to save him. Bill was worried he was washed up, and walked off, but a rhino attack clued him into the fact that his bullets had been replaced by blanks, and Joe was trying to make him look the fool. In truth Joe was leader of the raiders, and wanted Bill gone so he could lead Janu into the raider's camp and shoot him. Bill came to the rescue and made short work of Joe.

(Action Comics I #227) - Bill and Janu were assigned to help Mr. Hadley complete a census of a big game reserve, but their helicopter hadn't yet arrived and Bill suggested they go on foot, knowing the helicopter would spook some of the animals. Hadley's men were in a pool to see who could come closest to the total census number, but brash Weems got 100-to-1 odds claiming he knew the exact number, 987. Unknown to his co-workers Weems used a helicopter and a telephoto camera to survey the reserve himself. Bill Janu and Hadley began their survey, but Weems, out of sight, shot a lion and a rhino that had wandered onto the reserve, unwilling to lose the bet. They caught onto what he was up to when he shot a black leopard coming out of a cave Bill was exploring that he hadn't noticed. Bill couldn't stand to see him win the bet after slaughtering animals, so he took two ostrich eggs and put them in the sun, hatching them and bringing the animal total to 989.

(Action Comics I #228) - Years ago Congo Bill and animal trainer Sam Westly took an intelligent gorilla from the jungle and brough him to America, where he became the Hollywood star Kongorilla. With public interest in Kongorilla waning Bill, Janu and Sam returned him to Africa. Soon after they released him a lion attacked Bill and Janu, but was shot as he was charging, and they spotted Kongorilla fleeing with a rifle. Janu though Kongorilla had human intelligence, but bill thought it impossible. Chief Wabanga, a trusted ally, assured Bill he'd seen Konorilla make a sign proclaiming himself lord of the jungle, and Sam revealed that he'd heard a witch doctor made the ape so smart. Bill followed Kongorilla and he appeared to carve a statue, but the villagers, who'd proclaimed Kongorilla their ruler, said they were spying, and would be put to death if Kongorilla so chose. Bill exposed Kongorilla as a sham perpetrated by Sam to garner interest in Kongorilla's unreleased movies. He'd shot the lion and put the gun in Kongorilla's hands, the sight Wabanga saw was a projection from one of Kongorilla's movies, and he didn't carve a statue, he just pawed off sugar that was covering the sculpture Sam had created.

(Action Comics I #229) - Congo Bill lost a spear-throwing contest to native Kawanga, and he told Janu the game was rigged, so he'd play tricks on Kawanga's tribe to get back at him. He went to chief Hakola and bet him an ivory tusk he could get a fierce lion to eat from his hand, and won the bet. He took the tusk and told Hakola he'd fooled him by laying a honey trail to draw the lion in and jamming his mouth full of molasses so he couldn't bite. He then bet two of Hakola's tusks he could dive to the bottom of a pit of quicksand, and after winning revealed he'd dug a pit 5 feet deep and filled it with quicksand, covering the nearby 20 foot deep pool with sticks so Hakola wouldn't see the switch. He won three more trunks by laying down in front of cape buffalo and surviving. He'd put cages of herons around him, and knew the buffalo wouldn't risk hurting their natural allies. Janu chided Bill for being so mean-spirited, but when Hakola prepared for war with the Maldaya tribe Bill bet he would loose. Hakola thought it was another trick and called off the attack, so Bill revealed to Janu that he'd arranged for Kawanga to "trick" him and fixed the bets with the chief for the sole purpose of avoiding a tribal skirmish, but he said he was keeping the tusks he'd won.

(Action Comics I #230) - Jim Wilson was to inherit the Jungle Journel from his deceased uncle, but if he couldn't have an issue of the newspaper out in a tight time frame it would go to his cousin Dirk. Congo Bill offered to write for him, and have his chimpanzee friends deliver the Journal, while Janu went out to take news photos for the issue. Janu was being stalked by Dirk, who wanted to ruin his cousin's chances of keeping the paper. Janu took pictures of a fire ceremony, but Dirk electrified a fence that stood between him and the chimp that was to deliver the photos to Congo Bill. Janu enlisted a giraffe to grab the photos in his mouth and reach over the fence to give them to the chimp. Dirk chased Janu when he finished his last set of photos, and although Janu was briefly caught he kept the photos safe in a crocodile's mouth. With the issue ready to deliver Dirk tried to block Bill, Jim and Janu with fire, but Bill had elephants launch the papers to one village, while wildebeests delivered to the other. Dirk and his men confronted Bill with guns, but backed down when they realized local villagers had Bill's back.

(Action Comics I #231) - Congo Bill and Janu came upon raiders robbing a caravan of jewels, but when Janu leapt into action a raider blinded him by throwing sand in his face. Bill recovered the jewels by tripping up the raiders with a jungle vine, but they managed to escape, and one of the caravan merchants berated Janu for being useless, telling Bill he should find a grown-up to partner with instead of a child. Bill saw Janu's feelings were hurt, and tried to convince him of his usefulness by purposely falling into quicksand and being treed by a big cat. Janu failed to save him both times, and felt even more dejected. The raiders caught Bill in an animal trap, and after Janu freed him he used his supersonic whistle to summon the elephant Bombo, who tracked down and disabled the raiders. Janu felt vindicated when Bill congratulated his quick thinking.

 (Action Comics I #254) - Congo Bill visited a Capetown was museum and posed for a sculptor, who added his figure to the museum’s hall of explorers. Bill slept oin his hotel room when a thief robbed him and discovered his ring. The thief, having heard of the legend of the ring, slipped it on and rubbed it, finding his mind transferred to Congorilla. The thief returned to the hotel room, took his human form, and stashed it in a nearby temple. Congo bill knew he was in a jam, he couldn’t kill Congorilla, and he couldn’t let people learn his secret identity, so he donned a witch doctor mask and pursued the thief. The thief robbed a gala and a shipment of gold bullion, each time managing to evade Congo bill. Congo bill showed up at the temple, threatening to throw the thief’s human body over a cliff if he didn’t rub the ring and return to it. The thief complied, but the body Congo bill was holding was a wax dummy from the museum; he’d already tied up the thief’s actual body so he could be picked up by the police.

(Action Comics I #255) - Sir John led an explorers’ party into Africa’s Bukari Mountains, and hired Congo Bill as a guide. John had heard rumors that an Abominable Snowman, which he believed to be a holdover from the last Ice Age, lived at the top of the mountain, and was determined to be the first man to see it in the flesh. They made camp for the night, and john showed off his prized possession, the Star of Siam emerald, to Bill. He noticed Bill’s magic ring, and having heard of the legend of Congorilla, asked Bill to rub it. Bill said Congorilla was a myth, but agreed to rub the ring, taking a sleeping pill first so that when Congorilla’s mind entered his body he’d be fast asleep and not reveal his secret. Congorilla used binoculars to make sure his human body was asleep, and saw bandits who were after john’s emerald attack the camp. Congorilla staid out of sight and caused a cave-in under the icy ridge the bandits were standing on. The bandits scattered, but still kept their guns trained on the camp. Congorilla ran into the Abominable Snowman, who was a timid creature more afraid of him than he was of the creature. The Snowman had taken a supply-barrel from camp and was playing with it like a toy. Congorilla hurled the barrel back at the camp and the Snowman charged after it, the mere sight of him causing the bandits to flee in fear. Congorilla descended the mountain and rubbed his ring, returning his mind to Congo Bill’s body. Sir John was amazed Bill had slept through the action and admitted he was puzzled as to why the Abominable Snowman saved them.

(DC Comics Presents #27) - Congo Bill retired as an adventurer and opened up a large industrial firm and made Janu his vice-president. Janu witnessed a fireball sail through the night sky and reported to Congo Bill. Bill learned that the witch doctor K Bani was telling diamond workers it was an omen, preying on their superstitions. He claimed the silver gorilla Banaka was heralded by the fireball, and would give wealth and prosperity to all who paid him tribute with raw diamonds. Congo Bill called a meeting of his workers and told them to discard their superstitions, as many diamond workers were stealing from their jobs and handing diamonds to K Bani. His workers refused to listen, so Bill came out of retirement and became Congorilla. He discovered that the Banaka story was a con dreamed up by criminal Fred Cantrell, who was dressed as the silver gorilla. Congorilla defeated and unmasked Banaka, and the natives realized they d been put on.

(Action Comics I #553) - Immortal Man gathered Congo Bill and a number of other heroes and asked them to aid him in combating Vandal Savage. He told them they were Forgotten Heroes, but they could still make a difference. Immortal Man told them Vandal Savage infected Superman with time-seeds from the time pyramids. As the seeds dropped in Metropolis Park they turned it into a prehistoric jungle that quickly spread to the heart of Metropolis. Bill and the Heroes investigated the pyramids, and then contacted Superman and let him know about Savage's plans. Superman flew into the sun to burn off the seeds, and then traveled back in time with Rip Hunter to the Big Bang to destroy the original time pyramid. He succeeded, causing the time pyramids to disappear from the present, but Superman was lost in the timestream, and Rip Hunter returned to the present without him.

(Titans II #30) - Atom Ray Palmer visited Congorilla and the JLA to tell them he d uncovered evidence that Atom Ryan Choi had been murdered. The JLA acknowledged the possibility, but wanted him to get more evidence before they accepted Ryan s death, or begin a search for the killer.

(Titans II #36) - Atom Ray Palmer proved that Ryan Choi was murdered by Deathstroke s Titans. Atom contacted Batman, Congorilla and the Justice League, and they confronted the Titans, demanding justice.

(Titans Annual II #1) - Deathstroke showed the Justice League that his plane was equipped with a nuclear self-destruct system, and he d rather destroy himself and them than surrender. Deathstroke also told Arsenal he knew the League would never allow him to die, because they still considered him one of their own. This exact situation was the only reason Deathstroke allowed Arsenal to join his team. The League backed off temporarily, and allowed the Titans to fly off. The League confronted the Titans again in Kahndaq, where the villains had enlisted the support of Kahndaq s ruler Osiris. Batman tried to get Arsenal to side with the League, but he refused, telling him that heroes never won when it counted. Tattooed Man rejoined the team, just as Deathstroke knew he would, and gave Slade the opportunity to stab Supergirl with a kryptonite sword created for him by Lex Luthor. The battle ravaged Kahndaq, and Isis had enough. She demonstrated her godlike powers, and banished the League from her country. She sent Osiris and the Titans off, telling her brother that he d proved he was unfit to rule.

(Titans II #38) - Congorilla, the Justice League of America and the rest of the superhero community attended the funeral of Atom Ryan Choi

(Doom Patrol V #20) - When the DP were kicked out of Oolong Island they became political refugees. Robotman contacted the Justice league, but Congorilla informed him that the Hall of Justice wasn't a flophouse.

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