Here Be Monsters

Click on the “thumbnail” for a full-sized photo of some unpleasant customers:

From left to right, front row:
Mantid (player character, just under six feet) [and the person who put this together]
Adamastor (found in Dark Astoria. Keeper Of Secrets badge.)
Kraken (found in Perez Park. Unleasher badge.)
Clockwork Paladin (found in Kings Row. Knight Errant badge obtained for preventing him from being built)
Babbage (found wild in Boomtown and as an ambush in the Synapse TF. Clockstopper badge, awarded always for the wild version and only sometimes for the Synapse version.)
Jack-in-Irons (found in Croatoa with hordes of redcaps. Giant Killer badge.)
Jurassik (found wild in Crey’s Folly, and as the final boss in the Numina TF. The Solution badge, awarded always for the wild version and very rarely for the Numina version.)
Head of the Hydra (found at the end of the Sewer Trial. Head of the Hydra exploration badge sitting underneath it.)
Winter Lord (2005 Winter Holiday event only thus far. Frozen Fury badge.)
Lanaru (found at the end of the last Shadow Shard TF. All three Aspects of Rularuu (Ruladak, Faathim, Lanaru) are the same size. No badge per se.)
Eochai (found in Croatoa with hordes of Fir Bolg. Pumpkin King badge.)
Kronos Titan (ambush in a 45-50 Malta story arc. Master of Olympus badge.)
Lusca (found in Independence Port, along with eight tentacles. Devilfish badge.)
Crystal Titan (found at the end of the Eden Trial. No badge per se.)
Back row:
Hamidon (found in the middle of The Hive. Hamidon himself is the big round thing in the middle, while lots of other smaller round things surround him in the goo. Heart of the Hamidon exploration badge almost directly underneath it.)
Rularuu the Ravager (not in game yet.)