Crawling Dragon + Electric Snake → Twin-headed Thunder Dragon

Crawling Dragon + Mega Thunderball → Twin-headed Thunder Dragon

Crawling Dragon + Electric Lizard → Twin-headed Thunder Dragon

Dragon Zombie + LaLa Li-oon → Twin-headed Thunder Dragon

Dragon Zombie + Kaminarikozou → Twin-headed Thunder Dragon

Dragon Zombie + Sanga of the Thunder → Twin-headed Thunder Dragon

Dragon Zombie + Kaminari Attack → Twin-headed Thunder Dragon

Dragon Zombie + Tripwire Beast → Twin-headed Thunder Dragon

Dragon Zombie + Bolt Escargot → Twin-headed Thunder Dragon

Dragon Zombie + Bolt Penguin → Twin-headed Thunder Dragon

Dragon Zombie + The Immortal of Thunder → Twin-headed Thunder Dragon

Dragon Zombie + Electric Snake → Twin-headed Thunder Dragon