In Super Mario World, Bowser is HUGE. Bowser and Wart seem about evenly matched, but Wart blows bubbles and Bowser blows fire. Besides that, Wart seems a little weak. He seems timid, but Bowser just looks strong and mean. I think Bowser could beat him, but it would be a hard fight.
*Looks inside of a candy bar wraper. Reads:* You have just won a Sony Plays.... Oh it`s crap!!