|This article is about a/an monster in Engine Sentai Go-Onger.|
- ""Go without hesitation. If you go, you'll see ""
- ―Spray Banki's final words before his destruction.[src]
Spray Banki (スプレーバンキ Supuree Banki) is a clumsy Savage Water Barbaric Machine Beasts sent by Water Pollution Minister Kegalesia to steal the Engine Cast of Engine Birca. It is an acid spray bottle-themed.
He can shoot acid from his mouth, which he does after counting to three. Kegalesia called spray Banki her own child. Kegalesia first showed herself to the others along with her beast. He was wounded by Birca and Gunpherd before Engine-O destroyed him.
- This monster's final words are a reference to how's his scheme involved an old Japanese secret.