Tripwire Beast + B. Dragon Jungle King → Twin-headed Thunder Dragon

Tripwire Beast + Serpent Night Dragon → Twin-headed Thunder Dragon

Tripwire Beast + Mikazukinoyaiba → Twin-headed Thunder Dragon

Tripwire Beast + Meteor Dragon → Twin-headed Thunder Dragon

Bolt Escargot + Skelgon → Twin-headed Thunder Dragon

Bolt Escargot + Tyhone #2 → Twin-headed Thunder Dragon

Bolt Escargot + B. Dragon Jungle King → Twin-headed Thunder Dragon

Bolt Escargot + Serpent Night Dragon → Twin-headed Thunder Dragon

Bolt Escargot + Mikazukinoyaiba → Twin-headed Thunder Dragon

Bolt Escargot + Meteor Dragon → Twin-headed Thunder Dragon

Bolt Penguin + Skelgon → Twin-headed Thunder Dragon

Bolt Penguin + Tyhone #2 → Twin-headed Thunder Dragon