History: <30th Century> Toshiaki showed an early talent for martial arts, and numerous fighting masters sought him out as a student. After mastering many disciplines he became the superhero White Toshi. Toshi was forced to kill his arch-enemy Black Dragon, leaving Dragon's young son Val an orphan. Toshi retired from super-heroics, renamed himself Sensei and adopted Val. He kept Val's true heritage a secret and trained the boy in the martial arts. Val grew up to be Karate Kid I, a star of the Legion of Super-Heroes.

(Legion of Super-Heroes III #10) - Nemesis Kid murdered Karate Kid, and in turn was killed by Princess Projecta. Karate Kid’s last will and testament named Timber Wolf as his executor. Timer Wolf traveled to Japan, still wondering why Invisible Kid chose him, leaving him billions from Princess Projecta’s fortune if he fulfilled his last request. Karate Kid’s Sensei approached Timber Wolf offering to help him carry out the request, or fulfill it himself if Timber Wolf found the duty to be too much. Timber Wolf said he was determined to carry on, but would allow Sensei to help him.

(Legion of Super-Heroes III #13) - Sensei and Timber Wolf arrived on Lythyl, a planet of sociopaths where the right to exists was constantly judged through bloodshed, where they were shackled and told they’d serve as slaves until they earned their freedom or died. Sensei revealed to Timber Wolf that Karate Kid’s father the Black Dragon had been corrupted on Lythyl, which was why he could never forget the planet. Sensei couldn’t stand by watching the Lythyls abusing one of their fellow slaves and went into action, attacking his guard. Timber Wolf joined him, and they showed they were easily a match for the Lythyls. The Lythyls were impressed, saying they might have what it took to become citizens, and took them to the judges of Lythyl to determine their fate. Judges Gorax, Steggus and the teenager Myg wanted to see their prowess, and sicced a water dragon on them, telling them to master the beast. Sensei and Timber Wolf fought the beast, and eventually were able to command it back to the water from which it came. Myg said he would test them next, and brought them to the multiverse nexus that was a source of legend on Lythyl. Myg was impressed with Sensei’s martial arts technique and wanted to test him, so the two engaged in combat but fought to a standstill. Sensei declared him a noble opponent, but still struck him unconscious so he could continue his mission with Timber Wolf. Sensei insisted they take Myg with them, hoping to take him away from Lythyl before the planet corrupted him entirely, because he saw potential in the young lad. They fought their way to the Sacred Oasis and the Island of Stones, the most sacred spot on all of Lythyl. Element Lad’s team of Mon-El, Invisible Kid and White Witch flew to Lythyl, with White Witch’s magic keeping them from being detected. Mon-El was glad Invisible Kid had been cleared for the death of the Khundian assassin he’d accidentally killed, but told him he had to make it a priority to learn how to control his new powers. Timber Wolf completed his mission and was rescued alongside Sensei and Myg by his fellow Legionnaires before the Lythyls could rip them to shreds. Timber Wolf said the Lythyls believed the Island of Stones was as hard as them, and that nothing would ever grow there. Prophecy said that if anything did grow there the Lythyls would grow soft so Karate Kid’s final request was to plant a seed on the island.

(Legion of Super-Heroes III #15) - Timber Wolf, Sensei and Myg visited Karate Kid’s grave on Shanghalla. Timber Wolf wondered if the prophecy that would save Lythyl from itself would come true, and still didn’t know what he was going to do with the billion credits Karate Kid left him in his will, or what he and Sensei were going to do with Myg. Sensei offered to take care of Myg, and said destiny would provide the other answers Timber Wolf was looking for.

Comments: Created by Jim Shooter, Mort Weisinger & Curt Swan.

Sensei received a profile in Who’s Who in the Legion of Super-Heroes #6.

Sensei's appearance in Legion of Super-Heroes III #10, 13, 15 was reprinted in Tales of the Legion of Super-Heroes #335, 338, 340.

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