Mondo Gecko is a fan-favorite character from the Teenage Mutant Ninja Turtles universe. He was introduced in the original 1980s cartoon and then later appeared in various comics like the Archie Comics ...
In 1984, Kevin Eastman and Peter Laird created the Teenage Mutant Ninja Turtles as a one-off comic book that found extraordinary success despite being self-published by two unknown comic creators.