Since the former Commodore's singer is a massive douche bag (especially because of horrendous song "Dancing On The Ceiling" and his slutty daughter), "Lionel" or "Lionel Richie" is used as a substitute for a massive douche or tool bag.
ALSO: "Pulling a Lionel" can be referred to as doing something that a douche would.
"Ugh! My lame teacher is such a Lionel."
"Wow, that douche just pulled a Lionel."