cobalt has a satyr in the Free Stuff at 3D Commune. If you go after it, take note that the provided hotlink is mistyped, and the correct address for the download is listed in the comments section.

Alan Scott has a couple of minotaurs here in the Marketplace. One of them is Michael-based.

Rawnrr has some nice werewolf and devil character packs for Mike in the Marketplace. And as long as you're in there, take a look at sixus1's store: troll, Cerberus, daemon, minotaur, and male/female werewolves.

bloodsong has a free tailpack at 3D Menagerie, along with hooves and a tail for Michael (they're meant for Alan Scott's minotaur, but they'll work on their own).

Traveler has a free, posable tail for his Monster Pack at Morph World 3.0.

lourdes has some bone-wings and an interesting Victoria character named Razorback here in Free Stuff.

I have a couple of posable tails (horse tail and bushy tail) in Free Stuff, as well. They can be parented to any figure.

Styxx has an insect character for Victoria in the Free Stuff at RunTime DNA. It includes antennae, wings, and a wasp-like abdomen.