Herman Vermin is a mouse who moved into Garfield's House in 1999. Herman was first named in 1999 even though he made his first appearances on July 29,1998 and July 30,1998. In the comic it is revealed Herman has a wife and kids, and does not like his brother in law. Herman made appearances in 1998, 1999, 2000, 2002, and 2006.
Herman's introduction in 1999.
- Herman invited Garfield to a hole warming party when they first met
- A mouse across the street has graffitied Jon and Garfield's door with the words, "Herman stinks"