Albinoleo Imagin

Albinoleo Imagin (アルビノレオイマジン): The Albinoleo Imagin is Kai's subordinate, a stronger white version of the Leo Imagin. Sent to kill Airi Nogami, he easily overpowers Den-O Liner Form and Zeronos Zero Form until elder self of Sakurai arrives, turning the tables. After being pummeled by the trio of Riders, the Altair Form and Zeros Form leave the Albinoleo Imagin open for Liner Form's DenKamen Slash, which destroys him.

Final Countdown
To be added

Kamen Rider Decade: All Riders vs. Dai-Shocker
To be added

OOO, Den-O, All Riders: Let's Go Kamen Riders
To be added