Sunscream (play on the word "sunscreen") is a cross between a Phenomiard and a Sonorosonian. He has fire and sound powers. He was unlocked when a Sonorosonian attacked Star.
He is Toby's biggest alien.
Xtreme XtraterrestrialEditHe has an extreme form named Sonic Sting.
Shoots fire and gas
Super sonic scream
Grows and shrinks
Absorbs heat, fire, and gas
Can rise the tempurature in areas
Large amounts of water and ice
Cannot lower his body tempurature by himself