Bivalvan

Bivalvan is an Orishan from the planet Cascareau, and prisoner of Aggregor. He will be used as part of Aggregor's plan in Ben 10: Ultimate Alien. He is the DNA donor for Ben's alien Water Hazard.

Personality
While Bivalvan does care about the safety of the other four prisoners of Aggregor, he has a strict self-preservation attitude, and does whatever he can in his power to keep himself alive and safe, including attack others and steal from them.

Appearances
Bivalvan is so far only set to have one appearance.
 * Ben 10: Ultimate Alien

Powers
Bivalvan has hydrokinesis, allowing him to shoot water from the palms of his hands and also make water bend to his will. This also allows him to absorb moisture.

Bivalvan is capable of underwater respiration.

Bivalvan is immune to radiation.

Bivalvan's body is covered in a thick exoskeleten, greatly enhancing his strength and durability.

Weaknesses
While immune to radiation itself, the heat of radiation can harm him, as well as the impact of such if it attacks him in a blast form, such as the energy beam that P'andor and NRG can generate.