Monstar by Nerd Attack
Monstar from Nerd Attack. All Rights Reserved.
Monstar is a cute monster avatar creation app birthed in the secret laboratories of Nerd Attack. Our scientists have calculated millions of possible permutations so you'll never have two Monstars that look alike! In fact, tap on "Unknown" and be amazed with the countless randomization of wacky (sometimes angry) monsters.
See here for more information : https://web.archive.org/web/20190429084203/http://n9-apps.com/monstar