Because you like Rainbow Dash in My Little Pony
England may cultivate the image of a well-bred gentleman, but he has both the temper and mouth of a seasoned sailor. See them in Axis Powers Hetalia.
A monstrous pirate captain, Davy Jones is quite literally heartless. See them in Pirates of the Caribbean: the Curse of the Black Pearl.
People think Karen Smith is a dumb blonde, but she disagrees and is proud she can predict the weather with her breasts. See them in Mean Girls.
The self-described "ghost with the most" knows the ins-and-outs of specter life like no other. Just ask him. See them in Beetlejuice.
Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.
Darcy Lewis is a razor-sharp scientist studying things that science can't explain. See them in Thor.
One of the best in the magical world, Mad-Eye has the battle scars to prove his dedication to such a dangerous job. See them in Harry Potter Series.
When the safety of Hyrule is at stake, Princess Zelda does not hesitate to sacrifice herself for the good of the land. See them in The Legend of Zelda.
Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.
This lab mouse has one thing on his huge brain: trying to take over the world on a nightly basis. See them in Pinky and the Brain.
Boomerang is equally skilled at tossing boomerangs and tossing back beers. See them in DC Extended Universe.