Is Mike Tyson the meanest boxer ever?

Sonny Liston is literally the most feared boxer ever, because ofhis criminal and hardpast outside the ringand his unbelievable punching power and toughness inside the ring. Tyson was feared because ofhismean looks, hisraping and earbiting Holyfieldcaseand alsohis incrediblepunching power and speed in the ring.I would say it's a tie between Mike and Sonny.