Question: Are TobyMac and Brett Scallions both Christian artists?

Context articles: Renovating Diverse City
Yeah! (Fuel song)
Welcome to Diverse City
TobyMac
Soul to Preach To
Circus Diablo
The Best of Fuel
Brett Scallions
Puppet Strings
Get Back Up (TobyMac song)

Renovating Diverse City (stylized Renovating→Diverse City) is the fourth album released by Christian recording artist tobyMac.
 All the tracks are remixes of songs from tobyMac's previous CD, "Welcome to Diverse City", with the exception of two original songs.
 Some remixes include new or revised pieces of the original song (ILL-M-I's original chorus doesn't appear until the final chorus, for instance).
 Several other Christian artists make appearances on this CD, including DJ Maj, Paul Wright, Tricia Brock of Superchick, and Toby's son Truett as "truDog".
 The Catchafire remix was once in the Top 5 songs on Christian-HipHop.
net and, since it became as popular as it did, is often mistaken for the original mix of Catchafire.
"Yeah!"
 is the first song released from Fuel's album "Puppet Strings".
 It is also the first song released featuring original lead singer Brett Scallions since Fuel's 2003 studio album "Natural Selection".
Welcome to Diverse City is the second full-length studio album released by Christian singer TobyMac.
 The songs on this album deal with racial tolerance in society and a desire to know God better.
 Several other Christian artists appear on this CD, including Bootsy Collins ("Diverse City"), Coffee from GRITS ("Hey Now"), DJ Maj (Several songs), Papa San ("Catchafire (Whoopsi-Daisy)"), Paul Wright ("Street Interlude"), Superchick ("Stories (Down to the Bottom)"), and T-Bone ("The Slam").
Toby McKeehan (born Kevin Michael McKeehan; October 22, 1964), better known by his stage name TobyMac (styled tobyMac or TOBYMAC), is a Christian hip hop recording artist, music producer, songwriter and author.
"Soul to Preach To" is the first single released from Fuel's album "Puppet Strings".
 It is also the first single released featuring original lead singer Brett Scallions since Fuel's 2003 studio album "Natural Selection".
Circus Diablo is an American rock band, formed in early 2006 by Billy Morrison (vocals), Billy Duffy (lead guitar) and Ricky Warwick (rhythm guitar).
 Fuel frontman Brett Scallions and Velvet Revolver drummer Matt Sorum subsequently joined the band on bass and drums, respectively.
 To date, Circus Diablo have released one studio album, entitled "Circus Diablo".
The Best of Fuel is a compilation album by American hard rock band Fuel.
 It contains songs from their first three full-length albums, "Sunburn", "Something Like Human", and "Natural Selection".
 All of the said albums featured vocalist Brett Scallions who departed from the group only a few months after the compilation's release.
 "The Best of Fuel" consists solely of the band's released singles, with the exception of "Million Miles" from "Natural Selection" (it features "Quarter" from the same album instead).
Brett Allen Scallions (born December 21, 1971) is an American musician.
 He is the lead vocalist, rhythm guitarist, and lyricist of post-grunge band Fuel.
Puppet Strings is the fifth studio album by American rock band Fuel.
 Released March 4, 2014, it is their first studio effort since 2003's "Natural Selection" to feature original lead singer Brett Scallions and the first Fuel album not to feature original songwriter/guitarist, Carl Bell and bassist Jeff Abercrombie.
 Additionally, no one who participated in the recording of Fuel's previous album "Angels & Devils" participated in the recording of "Puppet Strings".
"Get Back Up" is a song by Christian musician tobyMac from his album, "Tonight".
 It was released on January 26, 2010 on iTunes.
 TobyMac donated 100% of his artist royalties from first week sales of the single to relief efforts for Haiti after the 2010 Haiti earthquake that devastated the country.
 This song was played when Tobymac performed on "Fox and Friends".
 The song Charted at No. 1 on the "Billboard" Hot Christian Songs.