megaleg is bowser jr.'s robot and is the boss of bowser jr.'s robot reactor. he has to lives. when he is deafeted he blows up like kingfin and you get a grand star. in his back leg there is a 1up mushroom. to defeate him get a bullet bill to hit the cage the second time he has more fences brake one then brake the one with the grand star inside.
friends:bowser jr.,king kaliente,heavy metal mecha bowser,bullet bills
relatives:heavy metal mecha bowser(brother),bowser jr.(creator)