Characters - Other Microbes

King Matthias's late father, who appears as a ghost throughout the story. Like his grandson, Prince Meech, he's kindhearted and peaceful, and wants to heal others. He doesn't approve of his son's disease-causing actions, but tries to comfort him whenever the latter needs it. He also provides Meech of some helpful advice regarding trying to befriend cells.

Loki is pansexual.