Mick Walter (born Michael E. Walter in Huddersfield, Yorkshire, in 1955), often referred to by the stage name Big Mick, is an English actor. He is known for appearing in television comedies, first appearing as Jack Large in "Blackadder". He has also appeared in "Black Books", "Green Wing" and "Psychoville". Using only the above description and what you know about the world, "Mick Walter had a nickname of Big Mick." is definitely correct, incorrect, or inconclusive? 