Kaminarikozou + Sky Dragon → Twin-headed Thunder Dragon

Kaminarikozou + Thunder Dragon → Twin-headed Thunder Dragon

Kaminarikozou + Stone D. → Twin-headed Thunder Dragon

Kaminarikozou + Kaiser Dragon → Twin-headed Thunder Dragon

Kaminarikozou + Aqua Dragon → Twin-headed Thunder Dragon

Kaminarikozou + Sea King Dragon → Twin-headed Thunder Dragon

Kaminarikozou + Spike Seadra → Twin-headed Thunder Dragon

Kaminarikozou + Skelgon → Twin-headed Thunder Dragon

Kaminarikozou + Tyhone #2 → Twin-headed Thunder Dragon

Kaminarikozou + B. Dragon Jungle King → Twin-headed Thunder Dragon

Kaminarikozou + Serpent Night Dragon → Twin-headed Thunder Dragon

Kaminarikozou + Mikazukinoyaiba → Twin-headed Thunder Dragon