Mitch Vallen, also known as Uncle Mitch, Mitch, and Sullivan The Dog, is a male professional wrestler from New York, USA. His in-ring career spanned 7 years (2015–2022). Mitch trained at the CZW Academy under DJ Hyde and House Of Hardcore under Tommy Dreamer. His wrestling style includes elements of powerhouse and hardcore, and he has competed both as a singles wrestler and in tag teams. Notably, his signature move is the “Lifecutter”
