So excited to find out what the hell Caligari's deal is

https://preview.redd.it/0mvsisonxm4f1.png?width=1789&format=png&auto=webp&s=703104b6ba46a5df2bd9726a4db2c4c8575557fd

He's like... an octopus, or something? A blue octopus in a top hat?