Omegazelle (Dragon Knight)

Omegazelle is a Gazelle/Water Buffalo-type Zelle. It appeared in the first season when Kamen Rider Spear used his Attack Vent. Another one was sent by Xaviax to deal with the original Kamen Rider Axe. It was destroyed by the Final Vent of Adam's Survive Mode.

Kamen Rider DCD
One is briefly seen fighting Kamen Rider Dragon Knight alongside Garudothunder & Zebraskull Bronze.