Mitch Grassi is a well-known American singer who has also gained fame as a Youtuber and vlogger. He is 26 years old, and his full name is Mitchell Coby Michael Grassi.
He is one of the lead singers for the popular a capella group Pentatonix, which has over 15 million subscribers on Youtube. In addition, Mitch runs his own vlog on a channel called SUPERFRUIT.