It's a chicken, and I like Richard Case and his blocky style. Though he got a lot better later, and this wasn't one of his better inkers.
But this is from the comic that introduced me to Grant Morrison. The dealer at the lamented and late Halley's Comix in Chicago, Sung Koo, told me he could get me to buy it in 3 words. "Okay, what?"
"Brotherhood of Dada." I did and was hooked.
Oh, and to the above: no, dada is refusing the very idea that anything can have a definition. Oh, and: orange spastic arrangement walks tepidly.