Germ is a green skinned alien with messy, bent up antennas, big, green, almond-shaped eyes, and a wide head. She has stickers on her face and other parts of her body (she loves stickers) and has big eyelashes. In her disguise, she has a black wig with scene extensions. The wig is in pigtails. A black hoodie with the sleeves rolled up, a blue shirt underneath, shorts with little alien symbols on the pockets, ankle high sneakers, striped green socks, and fingerless gloves.