Pretty Blood is an ongoing animated web series on Newgrounds and YouTube, premiering in 2017. It's by a Thai animator named LittleCuteCorpse. It's basically Happy Tree Friends, but Darker and Edgier and Bloodier and Gorier.

Why was pretty Blood made?

History. Pretty Blood was founded by General Altha after the malino world was discovered by humans, made to capitalize off of their suffering. Although it began as a human organization, evil malinos began to join Pretty Blood, selling out their own kind for greedy and/or sadistic needs.