MosOS

MosOS is the host of OSSU. He was first introduced in Visitor: A Pre-OSSU Special.

Appearance
MosOS, or "Multidimensional Object Show Operating System", is a rectangular machine with a screen for a face, and four arms with three clawed hands. A large antennae is on his head. Unlike other characters, MosOS has no asset and is instead drawn.

Personality
MosOS's personality in Visitor is shown clearly. He is a careless and over-excitable fool who never has a straight idea of what's happening around him.