Geiz's Ghost Ridewatch transform into Bibill Ridewatch due to the amount of how scare he is.

Bibill Geiz, alternatively referred as BibillArmor is Geiz's Hyper Battle form accessed by inserting the Bibill Ridewatch into the left-hand side of the Ziku-Driver. Its visor spells out "Bibill" (びびる, Bibiru), and its shoulder pads are modeled after a shocked Yurusen.

BibillArmor is recycled from Geiz GhostArmor with the red and orange parts recolored blue.

This form is exclusive to Kamen Rider BiBiBi no Bibill Geiz.

White Woz: This form is perfect for Halloweeen!!!!!!