User blog comment:BlueFrackle/Feral Rap Battles of the Animal Kingdom II: Tardigrade vs. Immortal Jellyfish/@comment-25263388-20150707171842/@comment-1197011-20150707180153

No, nothing is planned yet, actually. The Aardvark could be a good opponent for the mole

Candiru is creepy, but not in the same level of creepy as Sacculina

I do like Hydra vs. Seahorse. The Seahorse is also known as Hippocampus, so they're also both named after Greek mythology :)