What Shakespearean play named after a King of the Britons recorded by the medieval scribe Geoffrey of Monmouth included a character  considered a villain, obsessed with power and overthrowing her elderly father?
Goneril Goneril is a character in Shakespeare's tragic play "King Lear" (1605). She is the eldest of King Lear's three daughters. Along with her sister Regan, Goneril is considered a villain, obsessed with power and overthrowing her elderly father as ruler of the kingdom of Britain. Her aggressiveness is a rare trait for a female character in Elizabethan literature.
Guiderius Guiderius (Welsh Gwydr) is a legendary British king according to Geoffrey of Monmouth's "Historia Regum Britanniae" ("History of the Kings of Britain") and related texts. He can probably be identified as deriving from the historical Togodumnus.