Unknown es la muestra de ADN de un Unknown Species del Planeta Unknown Planet dentro del Omnitrix.
Bullfrag is Ben's Incursean alien
Bullfrag è un alieno preso dal DNA degli incursiani .
Bullfrag is the Omnitrix's DNA sample of an Incursean from an unknown planet.
Bullfrag: es la muestra de ADN de un incurseano en el Omnitrix. Fue desbloqueado por Azmuth y usado en el mismo episodio, "Las ranas de la guerra".
Being an Incursean, Bullfrag is a humanoid frog-like alien with 3-fingered hands and 2-toed feet. He is, however, considerably taller and more muscular than a typical Incursean. He has a more defined jawline, and wears sunglasses. His skin is also paler than a normal Incursean. Bullfrag wears the Omnitrix symbol on his upper chest, which is hidden under his suit while wearing the normal Incursean uniform.