User blog comment:FossilsDaDaDa/Fossy's Fanart Archives/@comment-4353345-20120105002006/@comment-3006892-20120105003556

Norm's cutie mark is the silhouette of a platypus with a "Circle with a slash through it" (Gosh, I don't know what those are are called >.<) over it. Y'know, cuz technically that was his special talent.