According to the MLA Style Center, if the creator's name is the same as the uploader's name, the basic MLA format is
Author. Title of Video. Title of Web Site, Publication Date, URL.
sayerb123. "Husky Puppy Talking Saying 'I Love You'." YouTube, 13 Dec. 2009, youtu.be/N_Qqs0Q2w5CE.
Author. Title of Video. Title of Web Site, uploaded by Name, Publication Date, URL.
McGonigal, Jane. Gaming and Productivity. YouTube, uploaded by Big Think, 3 July 2012, www.youtube.com/watch?v=mkdzy9bWW3E.