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Mighty Mutanimals, a superhero group within the Teenage Mutant Ninja Turtles (TMNT) franchise, emerged in the comic book series Teenage Mutant Ninja Turtles Adventures. Composed of various mutated animals, the team collaborated with the TMNT and has been featured in multiple iterations of the franchise since its inception.

Mighty Mutanimals was first published as a three-issue miniseries released between May and July 1991, which was later released in a collection in Winter 1991. A follow-up regular series totaling nine issues was released from April 1992 until June 1993.

The series was canceled due to low sales, but the Mutanimals received their own 7-part backup-series in the pages of Teenage Mutant Ninja Turtles Adventures beginning in issue #48 and ending in issue #54. This series saw the assassination of the Mutanimals at the hands of the high-tech Gang of Four. Issues #55-57 continued the aftermath of their death and its effect on the Turtles' storyline. The proposed animated series was meant to take place during the 1987 series, where they are a team of superheroes that go around the world to fight evil. The turtles were meant to be shown up at the beginning of the series to help set up the island base HQ and once they are finishing it the turtles will return to New York leaving the Mutanimals to start becoming heroes in their own right and begin their own adventures.

The Mutanimals made a small cameo appearance in Tales of the TMNT #58. Dean Clarrain, Ken Mitchroney, Mike Kazaleh, and Garrett Ho all worked on the comic book miniseries.

Mondo Gekko has not been a contender in any CBUB matches.