Jughead was the leader of the Southside Serpents along with his Serpent Queen, Betty. He was very lenient with his kids due to their close age gap. He's also been described as constantly aroused all the time.. Betty also had a dark side in which manifest as dark Betty persona or alter ego of Betty Cooper, portrayed as a darker, more assertive version of her personality. It's not a separate personality but rather an expression of Betty's inner struggles, anxieties, and repressed emotions