* Lambert Simnel (c. 1477 – 1537) was a young boy who was presented as the Earl of Warwick, the legitimate heir to the throne after the death of Edward IV. He was crowned in Ireland but ultimately defeated at the Battle of Stoke Field in 1487. He was imprisoned in the Tower of London and lived a life of obscurity until his death.
* Perkin Warbeck (c. 1474 – 1499) claimed to be Richard of Shrewsbury, Duke of York, the younger son of Edward IV. He spent years gathering support in Europe and even launched a brief invasion of England in 1497. He was captured and executed in 1499.
* There is no historical figure named "Perkin" or "Warbeck" outside of Perkin Warbeck.
While their claims were unsuccessful, they represented significant challenges to the rule of Henry VII, who had seized the throne after the Wars of the Roses. Their pretender campaigns highlight the political instability and contested nature of the English monarchy in the late 15th century.