OBI-WAN ('STAR WARS' ROLE) KENOBI (6 letters) The character of OBI-WAN Kenobi is a major ROLE in the STAR Wars franchise. He is a Jedi master and mentor to Luke Skywalker, and was portrayed by Alec Guinness in the original trilogy and Ewan McGregor in the prequel trilogy. His full name is OBI-WAN Kenobi, and his nickname is Ben. He is known for his wisdom and loyalty, and is one of the most beloved characters in the series. The six letter solution to the crossword is KENOBI, which is the surname of the character.