Fido

Fido is a security guard at Bianca St. Claire's mansion. He appears in Storm Front.

"Storm Front"
In Storm Front, Fido welcomes Harry Dresden's at Bianca St. Claire's mansion. He offers to have Dresden's broken down car towed, and searches the wizard, removing his weapons, before admitting him in the mansion. When Dresden leaves, he returns him the weapons and passes him Linda Randall's phone number.