No.
Nigel Lythgoe goes by Nasty Nigel.
YES!
No, Nigel Lythgoe is not related to John Lithgow.
Nigel is not a character from the books. But there is Nigel in the movies (Gof, OOTP). He is Potter's fans, Harry is Nigel's idol.
No.
Nigel Lythgoe goes by Nasty Nigel.
Nigel Lythgoe was born on July 9, 1949, in Wirral, England, UK.
No, Nigel Lythgoe is not currently married. He did marry Bonita Shawe in 1974, but they divorced in 2007.
Nigel Lythgoe was married to Bonnie Lythgoe from 1974 until 2010 when they divorced. Nigel and Mary Murphy are not married, nor are they even dating.
YES!
Nigel Lythgoe
No, Nigel Lythgoe is not related to John Lithgow.
Nigel Lythgoe is best known as being the man behind the British TV show Pop Idol, which started in 2001. The show format was copied all over the world, and still runs in some countries.
The cast of The Enemy Within - 2002 includes: Nigel Lythgoe as Himself - Presenter
The cast of So You Think You Can Prance - 2013 includes: Beth Behrs as herself Nigel Lythgoe Adam Shankman
The cast of My Beautiful Game - 2013 includes: David Beckham Edson Buddle Landon Donovan Pau Gasol Gary Lineker Nigel Lythgoe