Turtles and ThunderCats Forever

Turtles and ThunderCats Forever is a crossover television film set between ThunderCats and Teenage Mutant Ninja Turtles.

From ThunderCats:

 * Lion-O
 * Tygra
 * Cheetara
 * WilyKit and WilyKat
 * Snarf
 * Mumm-Ra
 * Ancient Spirits of Evil

From Teenage Mutant Ninja Turtles:

 * Leonardo
 * Raphael
 * Donatello
 * Michelangelo
 * Splinter
 * April O'Neil
 * Shredder
 * Foot Ninjas