Donatello, Rad Scientist is a mythic Legendary Creature — Mutant Ninja Turtle card from Teenage Mutant Ninja Turtles Eternal (TMC), collector number 109. Current market price: $0.35, TCGplayer market prices via Scryfall.
Vigilance (Attacking doesn't cause this creature to tap.) When Donatello enters, tap up to three target creatures your opponents control. Put a stun counter on each of them. (If a permanent with a stun counter would become untapped, remove one from it instead.)