male
Swampfire is the Omnitrix's DNA sample of a Methanosian[2][1] from the planet Methanos.[Bandai 1]
Swampfire
Lieutinant Whoareyou
for Lieutinant Whoareyou in MyCast Users' Favorite Ben 10 Transformations
Suggested by lieutinant_whoareyou
Add yourself and pick all your favorite aliens that Ben Tennyson transforms into across the franchise.
