Question: Who was born first, Les McKeown or Andi Deris?

Context paragraphs:
Come In from the Rain (Andi Deris album): Come In from the Rain is the first solo album of Andi Deris, vocalist of the power metal band Helloween.  It was released in 1997 and has a different sound from his band's albums, with a different style in each song.

Are You Metal?: "Are You Metal?"  is a song and a single from German power metal band Helloween's thirteenth studio album 7 Sinners.  The single was released physically only in Japan, containing 3 songs.  There was also a digital single version available worldwide, which contained only the title song "Are You Metal?" , entirely composed by vocalist Andi Deris.

Mrs. God: "Mrs. God" is a song and single by German power metal band Helloween from their album "".  The song is about the emancipation of women, showing Helloween's sense of humour.  It was written by the band's vocalist Andi Deris.

Done by Mirrors: Done by Mirrors is the second solo album of Andi Deris, vocalist of the power metal band Helloween.  In Japan, it was released in 1999, but due to record company conflicts, had to be released in 2000 in the rest of the world.  The sound is different from Helloween, and from the previous album, "Come in from the Rain", with the dark thematic who would come in 2000 with Helloween's album "The Dark Ride".

Forever and One: "Forever and One (Neverland)" is a song by German power metal band Helloween taken from the album "The Time of the Oath" and composed by Andi Deris, lead vocalist of Helloween.  The German version of the single contains a live version of "In the Middle of a Heartbeat" from their album "High Live".

Les McKeown: Leslie Richard McKeown (born 12 November 1955) is a Scottish pop singer who was the lead singer of the Bay City Rollers during their most successful period.

Nuclear Blast All-Stars: Into the Light: Into the Light is a compilation album from Nuclear Blast Records to commemorate their 20 years as a record label.  Produced by Rage guitarist Victor Smolski, with singers Tobias Sammet (of Edguy), Peter "Peavy" Wagner (Rage) - who has also written the lyrics for all songs -, Tony Kakko (Sonata Arctica), Mats Levén (Therion), Marcel "Schmier" Schirmer (Destruction), Hansi Kürsch (Blind Guardian), Andi Deris (Helloween), Oddleif Stensland (Communic), Marco Hietala (Nightwish and Tarot), and Tarja Turunen (Ex-Nightwish).  It features a variable collection of "All Stars" much in the same vein as Roadrunner United.  The whole album was written by Victor Smolski (however, two songs, "In the Picture" and "Slaves to the Desert" – originally "Slaves of the Desert" – are remakes of songs he had already recorded with Mind Odyssey), who also recorded all the guitars, some bass and keyboards.  The drums were done by Volker Schultz and André Hilgers.

Master of the Rings: Master of the Rings is the sixth studio album by German power metal band Helloween, released in 1994.  It is the first to feature new members Andi Deris and Uli Kusch.

Andi Deris: Andreas "Andi" Deris (born 18 August 1964) is a German singer and songwriter, best known as the lead vocalist of power metal band Helloween, and co-founder and former lead singer of German melodic metal band Pink Cream 69.  He has an active solo career, as well as his own recording studio in Tenerife.

Pink Cream 69: Pink Cream 69 is a German Hard rock/heavy metal band founded in 1987 in Karlsruhe, Germany by Andi Deris, Dennis Ward, Kosta Zafiriou and Alfred Koffler.  The band gained their first contract by winning music magazine "Metal Hammer" 's newcomer competition in Ludwigsburg one year after forming.  In 1994, Andi Deris left the band to join German power metal band Helloween.  He was replaced by British singer David Readman.

Supporting paragraphs: Les McKeown Andi Deris
Answer: Leslie Richard McKeown