Jaekelopterus

{3}{u}{u}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counter on it and it becomes monstrous.)

Jaekelopterus was originally described as a species of Pterygotus, P. rhenaniae, by German paleontologist Otto Jaekel based on an isolated fossil pretelson he received that had been discovered in the Rhineland.