If it’s ice then Kyurem
Wyvern
The Wyvern is a highly sought-after massive flying dragon that can overpower most creatures it faces. The deadly Wyvern, which is only tamable by stealing and raising as a baby, can be found in four varieities — Fire, Ice, Lightning, and Poison — each of which have distinct attacks.

Name ideas for your Wyvern from ARK players.
Poison: killed me on him😂😂
Lil nas x
Bob
Bobbette
Lightning light fury
Toothless
Fire: gary
Ice:jerry
NotOnValguero (poison or lightning)
Lightning:Thor God Of Thunder
Loser
Police
Killer dragon
Killer dragon
Skrill
For fire wyvern I suggest Flame.
Lighting:air,and ice:ice
Lightning:Sir zapsalot
Fire:Sir burnsalot
Ice:Sir freezealot
Poison:Hitler
Draco orMalfoy for poison
Poison: The Ex Wife