No figures, but in Green Lantern Ryan Reynolds says "By the power of Grayskull" when he's trying to figure out how to use the lantern.
In Lil' Bush, Jeb has a C-section when some idiot doctors mistake him for a woman. During the operation, they find He-Man in him.
On an episode of Family Guy, Stewie is trying to protect his room and has three toys stand guard. "Spongebob, you watch the door! Starscream, you watch the window! Man-E-Faces, you watch from the center! You can cover more ground because you have many faces."