Name: GACHNAR
Status: Demon, Deceased
Traits/Powers: Manifests The Fears 
Of Its Opponents
First Appearance: "Fear Itself"
Show: Buffy The Vampire Slayer
Other Info: Was the fear demon, the 
catch was he was only a few inch's tall. 
In the end he was actually "kind if cute". 

Name: GENTLEMEN, THE
Status: Demons, Deceased
Traits/Powers: Able to Hover and steal voices. 
First Appearance: "Hush"
Show: Buffy The Vampire Slayer
Other Info: They would go to a town and take away the voices of the people so that they could get a few hearts really easily.

Name: GINGERBREAD DEMON
Status: Demon, Deceased
Traits/Powers: Manifests himself in the form of small children; preys on fear and paranoia.
First Appearance: "Gingerbread"
Show: Buffy The Vampire Slayer
Other Info: A demon who prayed on the fear it would cause. Almost killed Buffy, Willow and Amy.

Name: GRIFF
Status: Demon
Traits/Powers: Strong
First Appearance: "Room With A View"
Show: Angel
Other Info: Was a money collector, tried to collect from Doyle. 

Name: THE GROCH BROTHERS
Status: Vampires, Tector Deceased
Traits/Powers: None
First Appearance: "Bad Eggs"
Show: Buffy The Vampire Slayer
Other Info: They were a pair of cowboy vampires.

Name: GRUENSTAHLER BROTHERS
Status: Humans, Deceased
Traits/Powers: Expert Marksmen
First Appearance: "Homecoming"
Show: Buffy The Vampire Slayer
Other Info: Also participant's in "Slayerfest 98"

Name: MRS. GWENDOLYN POST
Status: Human, Deceased
Traits/Powers: None
First Appearance: "Revelations"
Show: Buffy The Vampire Slayer
Other Info: She was Faith's new Watcher until betrayed the gang because she 
wanted the power of the glove of Myhnegon.