A Mutant Turtle is a turtle that mutates into a humanoid turtle after encountering Mutagen, or through other means such as gene splicing.
A Teenage Mutant Ninja Turtle is the same as above, only between the ages of 13 and 19.
List of Mutant Turtles
- Venus de Milo
- April O'Neil (Archie Comics; temporary mutation)
- Super Turtles
- Hun (Turtles Forever only)