Because you like Patrick Star in SpongeBob SquarePants

Years of brutal winters, foreign invasions, and crippling loneliness have left Russia's mental state far from wholly intact. See them in Axis Powers Hetalia.

In his heart, this student rebel is more of a lover than a fighter. See them in Les Miserables.

Vash might act like a carefree, peace-loving goof, but it's not wise to underestimate this "Humanoid Typhoon." See them in Trigun.

Nemo is a small fish in a vast ocean, but he dreams of seeing it all. See them in Finding Nemo.

Some say to survive in Underland you need to be as mad as a hatter–which, luckily, he is. See them in Alice in Wonderland.

Insightful about everyone else's neuroses, Rose Lalonde is not as aware of her own. See them in Homestuck.

Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.

A vampire hunter, Integra Hellsing doesn't tolerate failure, least of all her own. See them in Hellsing.

On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.

As a scaring Assistant, Mike Wazowski frightens children to collect their screams to be used as a power supply for the city. See them in Monsters, Inc..

When Rin Matsuoka is not swimming, he mostly spends his time brooding or listening to angry Dubstep. See them in Free! Iwatobi Swim Club.