Abe Sapien

A poster of Abe Sapien, a character from the Hellboy universe created by illustrator and writer Mike Mignola.

In the story, Langdon Everett Caul (his given name) was a Victorian scientist who became a icthyo sapien after an unsuccessful arcane ritual.

Organism drawing in the lower left detail: Ernst Haeckel, in the book Kunstformen der Natur, 1904.