Name: Marco  
Age: 13 - 16 (Series Time Span)
Gender: Male
Quote: "Are you INSANE!!"
Best Friend: Jake
Family: Dad - Jeremy - Engineer
            Mom - Eva - Human-Controller
Battle Morph: Gorilla
Morphs: Gorilla, Osprey, Flea, Wolf, Trout, Black Ant, Cockroach, Fly, Great-horned Owl, Termite, Skunk, Irish Setter, Wolf-Spider, Bat, Spider-Monkey (unusable), Jaguar (unusable), Llama, Racehorse, Parrot, Hammerhead Shark, Mole, Mosquito, Leeran, Tyrannosaurus Rex (unusable), King Cobra, Rhinoceros, Anteater, Baby Seal, Polar Bear, Giant Squid, Chimpanzee, Eel, Mountain Goat, Hork-Bajir, Osprey/Lobster (unusable), Squirrel, Cockatiel, Gorilla/Trout (unusable), Poodle (Euclid), Wolf-Spider/Skunk unusable), Poodle/Polar Bear (unusable), Cheetah, Honeybee, Beaver, Mallard Duck, Human (Female Governor)
NickNames: Marco the Magnificent
Personality: Humorous, easy going. 
Group Role: Marco is basically the joker of the group. He jokes around, and basically keeps the tension and the stress of the whole group down. 

Marco has a very important part with the Animorphs. Not only does he keep the tension down, he basically also takes care of all the security and helps the Animorphs in pointing out the risks and situations. His amazing computer skills often help out the Animorphs in research and basic hacking. 

He's very smart and a quick thinker. He can basically see a clear line from A to B in their plans, and usually ends coming up with an extreme plan to their mission, even though half the time he ends up regretting he even mentioned it.

He'd rather laugh over something, and look at life as a huge joke, rather than cry over it, and look at it as something totally disappointing, and unworthy.