Name: HARMONY
Status: Vampire
Traits/Powers: None
First Appearance: "The Harsh Light Of Day"
Show: Buffy The Vampire Slayer
Other Info: She was a student at Sunnydale high. She was bitten on Graduation Day. She was with Spike for a while too.

Name: HAXIL BEAST
Status: Demon, Deceased
Traits/Powers: He has to use surrogates to have offspring.
First Appearance: "Expecting"
Show: Angel
Other Info: Massive in size and nearly invincible.

Name: HELLHOUNDS 
Status: Demons
Traits/Powers: Vicious
First Appearance: "The Prom"
Show: Buffy The Vampire Slayer
Other Info: Are the dogs of the underworld. They will kill anyone 
they see without hesitation. 

Name: Howler Demon
Status: Demon
Traits/Powers: Emits a high pitched noise. 
First Appearance: "The Ring"
Show: Angel
Other Info: They are white and bald.

Name: HUS
Status: Ghost Warrior
Traits/Powers: Can turn into a mist or other creatures.
First Appearance: "Pangs"
Show: Buffy The Vampire Slayer
Other Info: A Chumach Indian that wanted vengeance for the wrong doings that were done to his people.
DECEASED