Leatherhead

In the Archie Comics continuity, Leatherhead is a mutant alligator who first surfaced in the sewers, crossing paths with the Teenage Mutant Ninja Turtles. Unlike some portrayals, this version carries a more tragic, sympathetic edge to his feral nature.

Bursting onto the scene in 1989 courtesy of Dean Clarrain, Ryan Brown, and Ken Mitchroney, Leatherhead is a memorable creature of the Copper Age — a standout presence in Archie's beloved Teenage Mutant Ninja Turtles Adventures and a recurring figure across the Mighty Mutanimals corner of that universe. Over a run stretching into the mid-'90s, this gator carved out 24 appearances sharing wild pages with the likes of Raphael, Donatello, Wingnut, Screwloose, and Jess Harley — an eclectic, offbeat roster that captures everything charismatic and strange about the TMNT Adventures world. For collectors who love the Archie run's more adventurous, socially conscious tone compared to other takes on the franchise, Leatherhead is exactly the kind of deep-cut character that makes digging through back issues so rewarding.