User blog comment:BlueFrackle/Feral Rap Battles of the Animal Kingdom II: Tardigrade vs. Immortal Jellyfish/@comment-5913002-20150707171914/@comment-5913002-20150707173648

Very nice view on things, how about... Anglerfish vs FireflyAnts vs Bees (bpf)Dodo vs Great AukTasmanian Tiger vs Tasmanian DevilSabretooth and Tiger vs Mammoth and African ElephantBlack Widow vs Black PythonTrilobite vs Centipede ;D