Rhinovirus

 is the most common infection that causes the common cold.

Appearance
Rhinovirus has light blue skin, green eyes, short black hair, and a pink swirly pattern on its left and right cheek. He wears a sky blue showercap with three stars on it and a white shirt.

Etymology
The word comes from the Greek ῥίς rhis "nose", gen ῥινός rhinos "of the nose", and the Latin vīrus.