This article is about a/an Lord in Kamen Rider Agito.

Potamotrigon Cassis (ポタモトリゴン・カッシス Potamotorigon Kasshisu, 25): A manta ray Lord with blue skin and hook-like tendrils he can use as weapons, Cassis witnessed the death of Cucullus. When Cassis made his move, he was intercepted by Agito before he could kill his victim. Cassis defeated Agito, but was pursued by Makoto Hikawa in the modified G3-X suit and blasted to bits by the GX-05 Cerberus.