Fire: Scorpion
Lightning: Raiden
Poison: Reptile
Ice: Sub-Zero
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.
Fire: Scorpion
Lightning: Raiden
Poison: Reptile
Ice: Sub-Zero
Smaug
Spyro
If ice: Avalanche
Poison: Taco Bell, Venom, My ex
If female poison, Medusa
Lightning:Thor
Black colored fire: Alduin
Deathwing
Torch (fire)
Voltage (lightning)
Butcher (blood)
Prism (crystal)
Avalanche (ice)
Viper (venom)
Meleys,Vhagar,Vermithor,Caraxes,Seasmoke,Balerion,Meraxes,Dreamfyre,Sunfyre,Moondancer,Vermax,Arrax,Sheepstealer,Tessarion,Silverwing,Grey Ghost,Cannibal
Drogon
All ice btw Khione,Morozok, and Eirwen
For lightning: Azula
If Fire:
Charizard
Eragon
Toothless
Paarthurnax
Any wings of fire character
If poison, Durnehviir
If it's red, Odahviing