poison - zyklon B
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.
Midir.
More Ice-like Names: Aurora, Aboreal, Borealis
Ive: Killer Frost
Stormborn
Dovahkiin
Campfire
Lightning: Mystique
Lightning: Strike
Fire: My Mixtape
Fire: Vulcan
Lightning: Axis
Poison: Nightshade
Ice: Nitrogen
Bubbles, Blossom and Buttercup
Valerion
Ice: Vanilla
Hookfang
Fire: Smaug
Oversized battery-lightning
Ice: glaceon
Lightning: Pikachu
Dragon