Question: Are Tyler Joseph and Nate Ruess in the same band?

Context articles: Fun (band)
A Black Mile to the Surface
The Format
Grand Romantic
Tyler Joseph
Just Give Me a Reason
The Vanity Label
Carry On (Fun song)
Fun discography
Nate Ruess

Fun (stylized as fun.)
 is an American pop rock band based in New York City.
 The band was formed by Nate Ruess (former lead singer of The Format), with Andrew Dost (of Anathallo), and Jack Antonoff (of Steel Train and Bleachers).
 Fun has released two albums: "Aim and Ignite" in August 2009 and "Some Nights" in February 2012.
A Black Mile to the Surface is the fifth studio album from Atlanta-based indie rock band Manchester Orchestra.
 It was released on July 29, 2017 through Loma Vista Recordings and the band's own independent label, Favorite Gentlemen.
 The album was produced by both the band and Catherine Marks, along with John Congleton, Johnathan Wilson and long-time collaborator Dan Hannon.
 It was recorded at the band's Favorite Gentlemen Studio in Atlanta, as well as at Echo Mountain in Asheville and Elmwood West in Dallas.
 It is the first Manchester Orchestra release to not feature keyboardist and multi-instrumentalist Chris Freeman, who left the band in 2016; leaving vocalist/guitarist Andy Hull as the only original member of the band.
 The album also features guest vocals from Nate Ruess, formerly of The Format and fun.
; as well as Christian Zucconi of Grouplove.
The Format was an American indie rock band formed by Nate Ruess and Sam Means.
 The band announced a hiatus on February 4, 2008.
 Their style can be considered a mixture of indie, alternative, punk and folk music, with elements of 1960s and 1970s pop music.
 Though Means and Ruess are the foremost members of the band, they have played, toured, and recorded with Mike Schey, Mark Buzard, Don Raymond, and—for the DVD recording and summer 2007 tour—The Honorary Title's current drummer and The Format alumnus Adam Boyd.
 The Format chose their name to make fun of the music industry's inclination towards a cookie-cutter "format" for a hit.
Grand Romantic is the debut studio album of Nate Ruess, lead vocalist from The Format and Fun.
 It was released on June 16, 2015, by Fueled By Ramen.
 The album was produced by Some Nights producer Jeff Bhasker.
 Following the hiatus of Fun, Ruess announced that he would be working on material for a solo project.
Tyler Robert Joseph (born December 1, 1988) is an American singer, songwriter, multi-instrumentalist, record producer, and rapper.
 He is the lead vocalist for the musical duo Twenty One Pilots.
"Just Give Me a Reason" is a song recorded by American singer and songwriter Pink, featuring fun.
's lead singer Nate Ruess.
 The song was chosen as the third single from Pink's sixth studio album, "The Truth About Love" (2012).
 Jeff Bhasker assisted the artists in writing the song and is also the producer.
 "Just Give Me a Reason" is a pop ballad about the desire to hold on to a relationship even when it appears to be breaking down.
 It starts off with a simple melody played on the piano, as Pink starts to sing the first verse and chorus, the latter of which introduces drum machines and bass.
 Ruess then sings the second verse, and the rest of the song is sung as a duet.
 The song ends with a piano solo, similar to the intro.
 It has a duration of four minutes and two seconds.
The Vanity Label is an American record label created by Nate Ruess and Sam Means of The Format, the label’s only signed artist (as of 2007).
 The company was created by Ruess and Means subsequent the absorption of Elektra Records into Atlantic Records Group in 2004, as The Format was dropped from the newly formed Atlantic Records Group.
 The newly formed Vanity Label was created to launch their then upcoming album, and Vanity Label’s first album release, "Dog Problems".
"Carry On" is a song by American indie pop band fun.
 It was released on 23 October 2012 as the third single off their second album, "Some Nights".
 The song was written by the band members, Nate Ruess, Andrew Dost, Jack Antonoff, alongside the album's producer, Jeff Bhasker.
 It is also featured in the HGTV 2013 #LoveHome commercial and in the pilot episode of FX series "Legit".
 The song is also featured in the 2013 documentary "Bridegroom".
 Alvin and the Chipmunks covered the song for the 2015 live stage tour "".
The discography of American indie pop band Fun consists of two studio albums, seven extended plays, 11 singles and seven music videos. Following the split of his previous band The Format, lead singer Nate Ruess formed Fun in 2008 with musicians Andrew Dost and Jack Antonoff, both of whom had previously toured with The Format.
 Fun began recording sessions for their debut album in September 2008 and embarked on a North American tour the following month.
 In May 2009, they issued their debut single, "At Least I'm Not as Sad (As I Used to Be)". "
Aim and Ignite", the band's first full-length album, was released by Nettwerk Records on August 25, 2009 and peaked at number 71 on the United States "Billboard" 200 chart.
 The album produced an additional two singles, "All the Pretty Girls" and "Walking the Dog", which were then followed by the release of the single "C'mon", a collaboration with American alternative rock band Panic!
 at the Disco.
Nathaniel Joseph Ruess (born February 26, 1982) is an American singer and songwriter.
 He is the lead singer of the indie pop band Fun.
, and previously of The Format.
 As of 2015, he also performs as a solo musician.