Pre-Teen Dirty-Gene Kung-Fu Kangaroos is a comic created by Lee Marrs. It lasted for three issues published by Blackthorne from 1986 to 1987.
The first issue really only has 2 panels of Donatello giving one of the Kangaroos directions.
Story, art, and lettering by Lee Marrs.
Donatello's drawings by Peter Laird.
The Kangaroos later appeared in issues #1 and 5 of Laffin' Gas (the later also featuring Panda Khan and an official appearance of the Turtles).