Ryne is a Rhinesuchus belonging to Mander. He was Mander's first creature.
His fossil, along with the Water Stone and Shockwave tablet ended up on the banks on the Nile River. When a child threw the fossil into the river, he was activated. He first appeared in episode 4 where he was claimed by the Beta Pack. Two episodes later, he was used to threaten the casino manager and to help capture Tenna.
Shockwave - It was first used when the B-Team controlled him. It almost defeated George.