Gaston

Gaston is a character on ABC's Once Upon a Time. He was originally slated to marry Belle, but was killed by Rumplestiltskin after trying to save his fiancee. He is portrayed by  Sage Brocklebank in Season One and  Wes Brown in Season Five.

Gaston is based on the Disney character of the same name from Beauty and the Beast

Before First Curse
He attempts to rescue Belle from Rumplestiltskin, but is killed by the Dark One and turned into a rose. He is sent to the underworld where Gaston cannot move on and always finds the book, Her Handsome Hero as a reminder of his failure.

Family

 * Lord LeGume (father)
 * Belle Gold (fiancée)

Season 1
"Skin Deep"

Season 5

 * "Her Handsome Hero"