Because you like The Spirit of the Puzzle in Yu-Gi-Oh!

From his attire to his form while running, aesthetics rule Rei Ryugazaki's life. See them in Free! Iwatobi Swim Club.

Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.

An upbeat, fun-loving teen, Sora would do anything for his friends. See them in Kingdom Hearts.

The "runt" of his biker gang, Tetsuo Shima grapples with a perpetual inferiority complex. See them in Akira.

The main priority for Nagisa Hazuki is making sure that everyone has fun. See them in Free! Iwatobi Swim Club.

If Anna Liebert could remember her past, maybe she would know who she is. See them in Monster (TV Show).

Firo Prochainezo is swept up in a world of mysterious women, alchemists, and rumors of a wine that makes it drinkers immortal. See them in Baccano!.

If there's power in being average, Mikado Ryugamine will find it and use it. See them in Durarara!!.

Leonardo is spiritual, and devoted to more than just pizza. See them in Teenage Mutant Ninja Turtles.

Michaelangelo is an above-ground crime-fighter by night, and a pizza-eating, sewer-dwelling mutant ninja turtle by day. See them in Teenage Mutant Ninja Turtles.

Illiterate and oblivious, Crash Bandicoot is still a hero. See them in Crash Bandicoot.