Drepanaspis, an ostracoderm from the Devonian Period (and now your nightmares).
friendly ocean grandpa
Nightmares? No, he is shaped like a friend and I love him. He’s my flat boy.
nightmares no he is
shaped like a friend and i love
him he’s my flat boy
^Haiku^bot^0.4. Sometimes I do stupid things (but I have improved with syllables!). Beep-boop!