WHAT IS THIS MONSTROSITY!?

Early Tahm Kench concepts? http://pre05.deviantart.net/5e04/th/pre/i/2015/178/e/6/tahm_kench_early_concept02_by_lonewingy-d8yxi8j.jpg http://vignette4.wikia.nocookie.net/adventuretimewithfinnandjake/images/5/58/Animated-gif-dog-jake-adventure-time-finn-boy-nope-run-hide-1360695904.gif/revision/latest?cb=20131228183034