Fire: Cinder, Smolder
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.
Lightning: the senate
All wings of fire names
Winter, from WOF
Ice: Winter, Snowfall, Arctic, Glacier, Moonstone
Styropyro (Lightning)
Snaggletooth
Venom if poison
Cynthia
ThunderDome
Spark plug
Alduin
Hot kik
Lightning: Blitz
Fire: HeatMonger/Ra
Drogon
Fire:Spitfire
If fire Lloyd from Ninjago
If lightning male: Zeus
Karen(toxic)