Katheryn Winnick (born December 17, 1977) is a Canadian actress. She is known for her starring roles in the television series Vikings, Wu Assassins, Big Sky, and her recurring role on the television series Bones.
Jason, the brains, and Ronnie, the brawn, are two students of Dr Martin Stein that become able to merge after a nuclear explosion in the lab, but unfortunately for them they weren't the only ones granted new powers.
