Regan is a character from William Shakespeare's play, King Lear. She is one of Lear's two daughters, alongside Goneril and Cordelia. Regan is known for her ambition and ruthless nature, as she seeks power and control over her father's kingdom. Her actions contribute to the tragic downfall of Lear and the chaos that ensues. In the play, Regan's relationship with her father deteriorates as she betrays him after he divides his kingdom. She is often seen as manipulative and cunning, willing to do whatever it takes to achieve her goals. Regan's character serves as a representation of greed and the darker aspects of human nature.