A mechanic Koopa made by Iggy Koopa and thrown by Bowser.
Bowser swung under the MECHAKOOPA's path and got bonked on the head.
by Eddie June 05, 2003
Giant Bowser robot built by Baby Bowser in "Super Mario Sunshine" to kick Mario's ass, but, as always, he failed.
Mario: "I defeated Mechakoopa by throwing water rockets at him".
by Knuxman July 19, 2004