Usually acting as the second-strongest boss next to Bowser, Bowser Jr. is a longtime nemesis of Mario's and one of the Koopa ...

We’re talking about Bowser—aka King Koopa—the fire-breathing, spike-shelled, princess-kidnapping menace who’s been terrorizing Mario and friends since the 1980s. But there’s more to this ...

When we think of the Mushroom Kingdom’s most notorious villains, King Bowser often steals the spotlight ... As the heir to the Koopa throne, he’s not just the future of villainy—he’s ...

(King Koopa, for Nintendo neophytes, was a renamed version of Bowser, the central villain of the Mario universe.) Koopa would introduce puppet shows that starred his pet rodent Ratso before the ...