You hold the toy out of Megatron's reach. "Yeah, right. I give you Duckie and you'll smack me. I'm keeping it. Now declare me the new leader of the Predacons!"

With his beloved bath toy's existance at stake, Megatron has no choice but to give in to your demands. Congratulations, Terrorsaur - you now rule the Predacons with an iron fist!

... And a rubber duck.