Heyo spirit workers!

Hey hey spirit workers out there, anyone know any underground species of spirit that are very large length wise and lanky with long limbs and huge teethless mouths? I ask because I’ve had a spirit hanging around me for some time who loves my fans and dark room and communication has been difficult. I am just curious if anyone may know what he is so I can research more! If not all good, if so feel free to IM me ^0^