Sebastian Smythe is a recurring character and secondary antagonist of Glee. he is a new lead singer of the dalton academy warblers. Sebastian known as the main antagonist in Season 3 in the beginning of his introduction. Sebastian had a vendetta against New Directions when he got jealous of them. In Season 4 ,he was demoted in the warblers because of his evil ways. He then becomes a "Antihero" later through the series when he redeemed himself.
- He assaulted Blaine with a slushy fill with rock salt during the dance battle.
- He said Harsh Words to Karofsky about his Sexuality and His Weight, possibly Why Karofsky attempted suicide.
- He Took a picture of Finn Naked Without Finn Knowing it.
- He Blackmailed and Bullied New Directions for Various Reasons.