Think of the strong men in the old fashion circuses, with their twirly moustaches, striped outfits and bulging muscles. That's pretty much what you get with Canadian busker Mike Johns, who is in the country for Christchurch's World Buskers Festival.
At the moment though he's working the streets of Wellington, with his sledgehammer and bowling balls.
Lynn Freeman saw Mighty Mike's act and invited him onto The Weekend - not just because of his daring feats, but because he mentioned his former life as an insurance man.