Sebastian Smythe is a recurring character and main 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 begining of his introduction. Sebastian has a vendetta against New Directions since he got more jealous of them. in Season 4 ,he demoted in the warbler because of his evil ways then he becomes a "Antihero" later through the series when he redeemed himself.
- He assulted Blaine with a slushi fill with rocks and salt during the dance battle.
- He Saying Harsh Words to Karofsky about his Sexuality and His Weight. it's possibly Why Karofsky Attempt Committed Suicied
- He Took a picture of Finn Naked Without Finn Knowing it.
- He Blackmailed and Bullying New Directions for Various Reasons.