This name is not always THOMAS in full, some people are named only TOMMY alone. This name can be given without having to think about it, before even thinking out a name for your your child, this name can come to mind easily.
In the hit 1990 film "Rocky V," Tommy "The Machine" Gunn was a boxer and world champion. He, at first, was Rocky's (Sylvester Stallone) student, but after George Washington Duke paid him to work for him, he became Duke's student. The character was portrayed by professional boxer Tommy Morrison.