MarioDude25

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Forsaken Newsround username?!

The Omniverse Omnitrix (Ultimate Alien)

Dr. Mario

Omni-Enhanced Omnitrix

The Omnitrix

Sonic the Hedgehog

Dandy the Tank Engine

The Hero Watch

Cosmo (full body)

The Fan Made Omnitrix

Thomas: hmmm.......

Omni Kix Omnitrix

The NecroTrix (My Fan-Made Concept)

Mario (from the Nintendo games.)

Season 3 Omnitrix

Dipsy (with hat.)

Alien Force Omnitrix

8-bit Mario and Luigi

Sonic the Hedgehog (from the YouTube channel Gotta Go Fast!)

Ultimatrix