Billy - The Grim Adventures of Billy and Mandy

Cotillion - Malazan Book of the Fallen

Dagnarus - Well of Darkness

Fortunato Bespi - Heirs of Alexandria

Greycoat - old White Fang cartoon.

Hokuto - Corpse Princess (Is disturbingly attractive to me...)

Incarium - Malazan Book of the Fallen (If I have the character name right)

Jak from Jak and Daxter.

Kirara - InuYasha

Larry - I Now Pronounce You Chuck and Larry

And Law, it made me happy to see Kirara mentioned, lol. I'm such an inu-nerd.

Mr. Monopoly! from Monopoly. :)

Nayru - Legend of Zelda video game series

Ophelia - Hamlet

Ponyo - Ponyo (fish-girl)
You're welcome, Kilala, for the mention of Kirara xD

Quinn Fabray - Glee

In all actuality, I first used Kilala after I'd started watching Inuyasha. It was before I knew the actual spelling, lol. I was a major inu-nerd back in the day.