Mini Shredder was one of the Mutant Shredder Clones, being a diminutive replica of the Shredder. He appears in the Return to New York storyline in the 2003 TV series, at the end of Part 1 and in Part 2. After being freed from his lab capsule, he attacked the Turtles with the other two Mutant Shredder Clones.
Mini Shredder was last seen on top of an elevator as it was falling, and is presumed dead.