The Glagsita is a giant worm with sharp teeth and fingers all over his head. The Glagsita invades the host during sleep and attaches itself to the brain, transforming the host's body into a nest where he puts his larvae. After he finishes his job, he leaves the host body and goes for another Glaggle, resulting in the host going into a vegetative state. Being less joyous
Being less sociable
Being more introvert
Having a horrible motor coordination
Being dyslexic
Difficulty in recognizing colors