Question: What is the name of the judge on the competitive cooking show MasterChef Canada, who is nicknamed The Demon Chef?

Context paragraphs:
MasterChef (UK TV series): MasterChef is a BBC television competitive cooking show.  It initially ran from 1990 to 2001 and was later revived in a different format known as "MasterChef Goes Large" from 2005 onwards.  In 2008, the "Goes Large" part of the name was dropped, but the format remains identical.  The revamped format was devised by Franc Roddam and John Silver with Karen Ross producing.

MasterChef: The Professionals: MasterChef: The Professionals is a BBC television competitive cooking show aired on BBC Two.  It is a spin-off from the main "MasterChef" series, for professional working chefs.  Introduced in 2008, Gregg Wallace and India Fisher reprised their roles as co-judge and voiceover respectively.  "MasterChef" judge John Torode was replaced by Michel Roux Jr., a two-Michelin-star chef, assisted, from 2009, by his sous-chef Monica Galetti.  Since 2011, Sean Pertwee has taken over Fisher's role as voiceover.

MasterChef Asia: MasterChef Asia is a regional competitive cooking game show based on the original British show MasterChef.  The show is produced by Lifetime Asia.  A total of 15 home cooks from various regions across Asia (China, India, Indonesia, Malaysia, Philippines, Singapore, Taiwan, Vietnam) competed in the first season of MasterChef Asia.  The show is judged by Hong Kong-born, culinary chef Susur Lee; 3-Michelin starred chef Bruno Ménard; and Singapore-born Audra Morrice, a MasterChef Australia finalist.  From the MasterChef kitchen to off-site and overseas challenges, the 15 episodes will culminate in one home-cook winning the title of the first ever MasterChef Asia.

Alvin Leung: Alvin King Lon Leung (; born 1961), is a Hong Kong chef who holds three Michelin stars at his restaurant Bo Innovation in Hong Kong and one Michelin star in his restaurant Bo London in London.  He is nicknamed The Demon Chef, and has invented his own cuisine which he calls X-Treme Chinese, which includes meals such as an edible condom on a mushroom beach.  He spent £1.7 million on his second restaurant, Bo London, based in Mayfair, London.  A third restaurant, Bo Shanghai has been opened in Shanghai, China.

MasterChef Canada: MasterChef Canada is a Canadian competitive cooking show, part of the "MasterChef" franchise.  It premiered on CTV on January 20, 2014.  Three judges have been announced for the show: Claudio Aprile, Michael Bonacini and Alvin Leung.  The show is produced by Endemol Shine International and Proper Television.

MasterChef Asia (season 1): MasterChef Asia (season 1) is a regional competitive cooking game show based on the original British show MasterChef.  The show is produced by Lifetime Asia.  A total of 15 home cooks from various regions across Asia (China, India, Indonesia, Malaysia, Philippines, Singapore, Taiwan, Vietnam) competed in the first season of MasterChef Asia.  The show is judged by Hong Kong-born, culinary chef Susur Lee; 3-Michelin starred chef Bruno Ménard; and Singapore-born Audra Morrice, a MasterChef Australia finalist.  From the MasterChef kitchen to off-site and overseas challenges, the 15 episodes will culminate in one home-cook winning the title of the first ever MasterChef Asia.

Shannon Bennett: Shannon Bennett (born 23 November 1975 in Melbourne) is an Australian chef and author.  He is best known as the head chef of restaurant Vue de monde, at Melbourne’s Rialto Tower as well as many appearances as a guest judge on the popular cooking show Masterchef Australia.

Celebrity MasterChef (Romanian series): Celebrity MasterChef is a Romanian competitive cooking game show.  It is spin-off of MasterChef România, itself an adaptation of the British show MasterChef, and features celebrity contestants.  It began production in early 8 October 2013, and was broadcast on PRO TV on 22 October 2013.

MasterChef (Brazilian TV series): MasterChef is the Brazilian version of the competitive cooking reality show MasterChef airing on Band during the 2014–15 Brazilian television season.

MasterChef USA: MasterChef USA is an American competitive cooking show that aired on PBS from 2000 to 2001.  The series was hosted by Gary Rhodes.  The series was directly formatted from BBC's "MasterChef", which used Rhodes as host during 2001.  The show had two seasons.

Supporting paragraphs: MasterChef Canada Alvin Leung
Answer: Alvin King Lon Leung