Question: This band American heavy metal band founded in September 1995 included what former bassist for the band Will Haven?

Context paragraphs:
Joey Vera: Joseph "Joey" Vera (born April 24, 1963) is an American heavy metal bassist who is known as a member of the heavy metal band Armored Saint and the progressive metal band Fates Warning.  In 2004-2005 he replaced Frank Bello in Anthrax as the band's bassist, but did not record with them.  He was also a member of Engine, recorded with Tribe After Tribe, and appears on the OSI album "Free".  His first solo album, "A Thousand Faces", was released in 1994.  His current solo project, A Chinese Firedrill, released an album titled "Circles" in 2007.

Slipknot (band): Slipknot is an American heavy metal band from Des Moines, Iowa.  The band was founded in September 1995 by percussionist Shawn Crahan and drummer Joey Jordison.  After several lineup changes in its early years, the band settled on nine members for more than a decade: Corey Taylor, Mick Thomson, Jim Root, Paul Gray, Craig Jones, Sid Wilson, Shawn Crahan, Chris Fehn and Joey Jordison.  Gray died on May 24, 2010, and was replaced from 2011–2014 by former guitarist Donnie Steele.  Jordison left the band on December 12, 2013.  Steele left during the recording sessions for "".  The band found replacements in Alessandro Venturella on bass and Jay Weinberg on drums.  After the departure of Jordison, as of December 2015 the only founding member in the current lineup is percussionist Crahan; the other remaining members of Slipknot have been members since the release of the band's 1999 eponymous debut album.

Jeanne Sagan: Jeanne Sagan is a musician from Springfield, Massachusetts.  She is the bassist and backing vocalist for the heavy metal band Crossing Rubicon, but is best known as the former bassist and backing vocalist for the heavy metal-metalcore band All That Remains from 2006 to 2015.  Before joining All That Remains, she was bassist in the band The Acacia Strain in 2003.  In 2006, she was asked to join All That Remains after bassist Matt Deis left the band.  She originally worked merchandise tables for Prosthetic Records.

Jason James (musician): Jason "Jay" James (born 13 January 1981) is a Welsh musician, singer, songwriter, and bassist.  He is best known for being the former bassist and backing vocalist for the Welsh heavy metal band Bullet for My Valentine from 2003-2015.  He was also a bassist and vocalist for the defunct metal band N.U.K.E.

Bob Kakaha: Robert Kakaha (born March 5, 1970) is the bassist for the American rock band Hush Money, best known as the former bassist for heavy metal band Damageplan and heavy metal supergroup Hellyeah.

Chris Fehn: Christopher Michael "Chris" Fehn (born February 24, 1973), or known by his number #3, is an American musician, best known as one of the two custom percussionists of the Grammy Award-winning heavy metal band Slipknot and is the former bassist for the band Will Haven.

Tremonti (band): Tremonti is an American heavy metal band founded and fronted by lead vocalist and guitarist Mark Tremonti, best known as the guitarist of the American rock band Creed, and the lead guitarist of American rock band Alter Bridge.  The band also consists of rhythm guitarist Eric Friedman and drummer Garrett Whitlock.  Bassist Wolfgang Van Halen was in the band between 2012 to 2017.  What originally started as a Mark Tremonti solo project evolved into a fully fledged band after the release of the group's first album, "All I Was", in July 2012.  That album featured Tremonti himself playing guitar in addition to lead vocals, and the band was joined by Tremonti's Creed and Alter Bridge bandmate Brian Marshall playing bass on tour until his departure later that year.  He was replaced by Van Halen bassist Wolfgang Van Halen, who contributed to the band's second album, "Cauterize", which was released on June 9, 2015.  The band also has another album, entitled "Dust", in April 2016, serving as a continuation to "Cauterize".

Joey Jordison: Nathan Jonas "Joey" Jordison (born April 26, 1975), is an American musician, songwriter, record producer and multi-instrumentalist, best known for his work as the former drummer and co-songwriter for the American heavy metal band Slipknot as well as guitarist in the American horror punk band Murderdolls.  Jordison played in Slipknot since their formation in 1995 until his departure from the band in December 2013.  He was the drummer and founder of the American heavy metal band Scar the Martyr which formed in 2013 and disbanded in 2016.  He grew up in Waukee, Iowa with his parents and two sisters, and was given his first drum kit at the age of 8.  He performed in several bands until joining in the summer of 1995 with the group The Pale Ones, which would later change their name to Slipknot.  Of Slipknot's nine-member lineup which lasted from 1999–2010, Joey was the third to join the band.

Machine Head (band): Machine Head is an American heavy metal band from Oakland, California.  Formed on October 12, 1991, the group was founded by vocalist/guitarist Robb Flynn and bassist Adam Duce.  The current lineup of the band comprises Flynn, drummer Dave McClain, guitarist Phil Demmel and bassist Jared MacEachern.  Machine Head is one of the pioneering bands in the new wave of American heavy metal.

Patrick Bruders: Patrick Bruders is an American musician, best known as the current bassist for heavy metal supergroup Down, the former bassist of the blackened death metal band Goatwhore from 1997 to 2004, and the former bassist for the seminal sludge metal band Crowbar from 2005 until 2013.  In 2008 he joined Eyehategod side project Outlaw Order and began live bass duties for the band, but has since parted ways with the group.  He began touring as live bassist with heavy metal supergroup Down in early 2011, replacing former bassist Rex Brown, before being added as a permanent member, performing bass duties live and in the studio.  Bruders is also a member of the New Orleans-based crust punk band Gasmiasma, Austin-based country band Pure Luck, and joined legendary doom metal band Saint Vitus for their performance at the Hammer of Doom music festival in Würzburg, Germany.

Supporting paragraphs: Slipknot (band) Chris Fehn
Answer: Christopher Michael "Chris" Fehn