Crawling Dragon + Tripwire Beast → Twin-headed Thunder Dragon

Crawling Dragon + Bolt Escargot → Twin-headed Thunder Dragon

Crawling Dragon + Bolt Penguin → Twin-headed Thunder Dragon

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

Crawling Dragon + Electric Snake → Twin-headed Thunder Dragon

Crawling Dragon + Armed Ninja → Sword Arm of Dragon

Crawling Dragon + Magical Ghost → Skelgon

Crawling Dragon + Sea Kamen → Kairyu-shin

Crawling Dragon + Ameba → Kairyu-shin

Crawling Dragon + Rainbow Flower → B. Dragon Jungle King

Crawling Dragon + Barrel Lily → B. Dragon Jungle King

Crawling Dragon + Yado Karu → Kairyu-shin