1.

Anvil
the Cartoon Figaro

Named after a classic of cartoon slapstick humor, the falling anvil. Also the name of a Canadian heavy metal band.

2.

Carcass
the Undying Fairy Yuni

Named after the dead remains of an animal or human. Also the name of a British extreme metal band.

3.

Commander
the Camouflage Crikey

Named after an officer in command of a military formation or operation. Not the name of a metal band, strangely enough.

4.

Coroner
the Vampire Vlad

Named after an investigator of violent, sudden, or suspicious deaths. Also the name of a Swiss extreme metal band.

5.

Dismember
the Werewolf Tasi

Named after the act of removing limbs. Also, believe it or not, the name of a Swedish extreme metal band.

6.

Dominatrix
the Candle Vixen

Named after women who enjoy being in charge.

7.

Empress
the Dragon Raulf

Also named after women who enjoy being in charge.

8.

Hammer
the ???

Also undecided. Primarily a transformation pet. Named after the tool, and also partially named after multiple metal bands: Demolition Hammer, Hellhammer, Hammer's Rule, etc.

9.

Hips
the Fat Raulf

Named after the body part that Fat Raulfs have a lot of. And also the Shakira song. You know the one.

10.

Kamikaze
the Nimbus Limax

Named after the special corps in the Imperial Japanese air force charged with deliberately crashing their planes into targets.

11.

Leper
the Zombie Lorius

Named after one afflicted with leprosy. Which is in very good taste, I agree.

12.

Pact
the Desert Nino

Named after a formal agreement or arrangement, usually with supernatural forces.

13.

Panties
the Doll Snookle

Underwear.

14.

Polybius
the Arcade Willa

Named after the urban legend about a government-funded arcade game with psychotropic effects. The FBI said it was all a hoax, but that's what they'd want you to think.

15.

Robbery
the Prison Rusty

Named after the act of unlawfully taking the property of another by the use of violence or intimidation. Or by smiling really cutely at them.

16.

Ruffins
the Fancy Rusty

That's Mr. Mister Sir Ruffins, to you.

17.

Sodom
the Gothic Chibs

Named after the city destroyed by God because of its wickedness and depravity. Also the name of a German thrash metal band. And just in general a fitting name for a goth edgelord.

18.

Speedo
the Summer Eyru

Named after the swimming briefs that are perfectly acceptable for everyone to wear. In the privacy of their own home.

19.

Tanuki
the Brown Eyru

Named after the cutest animal in the world. Close but no cigar, hyrax.

20.

Tension
the Eleka Lati

Named after mental or emotional strain, or the act of stretching something tight. Or, you guessed it, a thrash metal band.