Karkat Vantas

"4,3,2,fuck you"- Karkat in karkalicious

"this is how we do it jade"- Karkat causing Jade to flip out

Karkat Vantas is a character from Andrew Hussie's webcomic Homestuck. Karkat is a short tempered and rude troll. He is possibly the second most rude character in the webcomic (with Caliborn being first).