The Faction of the Fooling Fish is a malevolent secret organization.
The Faction of the Fooling Fish is one of the Horde of the Violet Hare's partially-amnesiac splinter societies, founded by Archibald Fishflipper. Having chosen fish as its emblem, they seek to embody the values of April Fools' Day, though they are not all too competent at it. Like many other Horde splinters, they have access to brainwashing devices, which they once used on Joe Torcivia to make him think it was still April the 1st, when actually the Fish had missed it by two days. This was a common modus operandi for the forgetful Fish, which they had already attempted to use on the Crew of the Copper-Colored Cupids in 2011 when a dimensional rift led them to the Cupid Homeworld.
Behind the scenes
The society's emblem being a fish is a reference to the fish-based April Fools' pranks common in several countries (including France, Italy, Belgium, Switzerland, and Canada).