Question: Who is older  Trevor Horn or Doug Pinnick ?

Context articles: Vertical After
KXM (album)
Songs from the Closet
Trevor Horn
The Trevor Horn Band
Lo-Fi Resistance
Grinder Blues (band)
Doug Pinnick
KXM
Scatterbrain (KXM album)

Vertical After was a thrash metal/pop punk band based in Canada and the United States.
 The band was noted for their elaborate rock videos, which aired on Canada's Much Music nationwide music station.
 The band recorded four CD albums and spent much of the period from 1989 to 2003 performing in clubs in the United States, Canada, and Europe.
 Vertical After toured around North America promoting their videos and albums including 1999's "Pop Goes Death", mixed by Doug Pinnick of King's X, and 2002's "Bloody Murdo", co-produced by Stuart Carruthers of Grip Inc.
 Some of their famous support-openings included Twisted Sister in New York, Iron Maiden's lead vocalist Bruce Dickinson in Los Angeles, Ice T's Body Count and other acts including King's X around the country.
KXM is the self-titled debut album of the band KXM, a rock band formed in 2013 featuring former King's X bassist and vocalist Doug Pinnick, former Dokken and Lynch Mob guitarist George Lynch and Korn drummer Ray Luzier.
 The Japanese version of the album includes an exclusive bonus track, "Big Rocks."
Songs from the Closet is a compilation album of early demo recordings by King's X bassist / vocalist Doug Pinnick.
 It contains two previously unreleased songs and an audio commentary track by Pinnick.
Trevor Charles Horn, CBE (born 15 July 1949) is an English producer, songwriter, musician and singer.
 His influence on 1980s popular music was such that he has been called "The Man Who Invented the Eighties".
The Trevor Horn Band are an English supergroup formed in 2006 as The Producers, consisting of record producers Trevor Horn (bass and vocals) and Steve Lipson (guitar), and musicians Lol Creme (guitar and vocals) and Ash Soan (drums).
 The band briefly adopted the name US before changing to Producers.
 Latterly, they have switched to the name The Trevor Horn Band.
Lo-Fi Resistance is a project of 24-year-old guitarist, vocalist, and songwriter Randy McStine.
 Formed in 2009, Lo-Fi Resistance has released two albums with many different guest features.
 The first album, "A Deep Breath," features guest musicians such as Nick D'Virgilio of Spock's Beard and Doug Pinnick of King's X.
 The second album, "Chalk Lines," featured Gavin Harrison and Colin Edwin of Porcupine Tree, John Giblin of Kate Bush, and Dave Kerzner, formerly of Sound of Contact.
Grinder Blues is a hard rock blues trio that features Doug Pinnick of King's X, guitarist and vocalist Jabo Bihlman and Scot "Little" Bihlman on drums, percussion and vocals.
Douglas Theodore "Doug" Pinnick (born September 3, 1950), sometimes stylized as dUg Pinnick or simply dUg, is an American musician best known as the bass guitarist, songwriter, and co-lead vocalist for the hard rock/progressive metal band King's X.
 He has performed on fifteen albums with King's X, and recorded four solo albums.
 Pinnick has also participated in numerous side projects, and has multiple guest appearances to his credit.
 He is recognized for his unique vocals (which are characterized by a strong gospel influence), and heavily distorted bass tone (the product of multiple Ampeg, and Traynor bass amplifiers).
KXM is an American hard rock band formed in 2013, consisting of Korn drummer Ray Luzier, King's X bassist/vocalist Doug Pinnick and Lynch Mob/ex-Dokken guitarist George Lynch.
Scatterbrain, released on March 17, 2017, is the second studio album by band KXM, a rock band formed in 2013 featuring King's X bassist and vocalist Doug Pinnick, former Dokken and Lynch Mob guitarist George Lynch and Korn drummer Ray Luzier.