Answer: ingo

AnswerCrossword Clue
INGOSoap actor Rademacher
INGOJohansson.
INGOFormer champion boxer's nickname.
INGOJohannson's nickname.
INGOEx-heavyweight champ, for short.
INGOEx-champ Johansson, to sportswriters
INGOBoxer Johansson's nickname
INGOJohansson, to boxing fans
ingoa reveal
ingothe inner sides of a doorway