Heat Arms

Heat Arms is a Biomnitrix Alien that is a fusion between Heat Blast and Four Arms.

10 Years Old
He resembles Heatblast but he is shaped like Four Arms. His legs are the same width as Four Arms' but he has Heatblast's feet. He has four arms and his wrists are thinner. He has small spikes on his arms. He has an indentation on his chin and forehead and he has four eyes. His chin is also less rounded. He wears the Omnitrix on his right shoulder.

16 Years Old
He now has an indentation on each cheek and none on his forehead. His rocks have different design that resemble Four Arms' Omniverse clothing with the black being rock and the green being fire. His Omnitrix symbol is now on his waist.

Alpha
When Alpha absorbed the Biomnitrix he developed the ability to change not only into Omnitrix aliens but into Biomnitrix aliens as well. He has a demon-esque face from when Alpha turned into Heatblast. He also has the chest cavity and tentacle. He has red veins on his body and three digits on each hand/foot.