Bowser - Smash Bros Brawl Guide - IGN

Mario's had one primary nemesis since the NES days, and that nemesis is none other than Bowser. Bowser is the King of the Koopas, a race of evil turtles

Secrets - Super Smash Bros. Melee Guide - IGN

Subspace - Smash Bros Brawl Guide - IGN

Super Smash Bros. for Wii U - Super Mario Wiki, the Mario encyclopedia

Bowser - Smash Bros Brawl Guide - IGN

Bowser (Super Smash Bros. Brawl), Smashpedia

Bowser - Smash Bros Brawl Guide - IGN

Bowser - Smash Bros Brawl Guide - IGN

GameSpy: Super Smash Brothers Brawl All We Know - Page 3

re: Screen shots - Page 2 - Super Smash Bros. Brawl Forum - Neoseeker Forums

Bowser (Super Smash Bros. Brawl), Smashpedia

Bowser - Super Smash Bros. for Wii U / 3DS Guide - IGN

Bowser - Super Smash Bros. for Wii U / 3DS Guide - IGN

Smash Bros. DOJO!!