Most Changed "Game of Thrones" Character

"Game of Thrones'" near-decade run has seen many changes. Both, the characters and the actors that portray them have grown, literally and figuratively. Their transformations have been so complete that many neither look nor act like characters we first knew.

Which "Game of Thrones" character* changed the most from their earliest scene to their most current or final scene over the entire timeline of the series? * younger versions depicted in flashbacks may be considered a character starting point

SPOILER ALERT: Intended for viewers current through the 2017 season, as poll reveals depicted or discussed Juego de tronos (2011) character changes through the end of calendar 2018.

Discuss the topic here or Take other GoT polls.