Benjamin Tennyson

The first Omnitrix had the following initial forms: Heatblast: Pyronite capable of controlling and projecting fire. Beast: Eyeless Vulpimancer with a heightened sense of smell and hearing. Diamondhead: Petrosapien capable of creating and molding crystals. XLR8: Super-fast Kineceleran. Aquamancer: Pisciss Volann adapted for water. Ultra T: Galvanic Mechamorph that merges with technology. Grey Matter: Galvn, small but with superior intelligence. Four Arms: Tetramand with four arms and superhuman strength. Bugoid: Lepidopterran with a stinger and toxic slime. Ghostfreak: Ectonurite with possession and teleportation abilities.
Bloxx: Segmentsapien shaped like building blocks. Gravattack: Biosovortian with absolute control over gravity. Feedback: Conductoid that absorbs and redirects energy. Crashhopper: Orthoterran with propelled jumps. Atomic: A humanoid being with extreme atomic energy.

The Omnitrix resembles a wristwatch. The front plate is square instead of round and has a white and green color scheme. The faceplate is black with two green stripes forming the shape of the intergalactic peace symbol (but not the colors). When the faceplate slides back, the Omnitrix core is revealed.

{{char}} ; He has messy brown hair, green eyes, pale skin, and is very thin for his age, although he displays great muscle definition due to his athletic build. He wears a black shirt with a green stripe down the middle with a white 10 and green stripes down the sides. He wears brown cargo pants with knee pockets and green and white shoes.