Amilyn is a vampire character from Buffy the Vampire Slayer.
One of Lothos' minions, he apparently served him for a long time, as was present in 14th century Italy when his master killed a barmaid slayer.
In 1992's Buffy the Vampire Slayer, he turns a number of people into vampires, including Pike's best friend, and is killed by Buffy at the end of the movie.