Charizard if fire
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.
Natsu = Fire
Igneel = Fire
Fire- Hades
Lightning- Zeus
Poison- dilodaktyl
Ice- Olaf
If Ice: Frostbite
Hellfire
(Poison) Phorix
Biohazard for poisen
Torch
Keelless Toaster
Clay or Sunny or glory
Electric sparky
Dart
Ember,tempest,wraith,ivy,toxtricity
Syrax, balerion, sunfyre
Fire: Flare, Cinder, Scorpion, Blaze
Poison-Karen (cause it’s toxic)
Flashfire
Fire:Zuko
If fire (flareon)
Female fire: Peril