This is what we found on Wikipedia regarding the The Mouse Outfit:

Brian Joseph Burton (born July 29, 1977), known professionally as Danger Mouse, is an American musician and record producer. He came to prominence in 2004 when he released The Grey Album, which combined vocal performances from Jay-Z's The Black Album with instrumentals from the Beatles' The Beatles, also known as The White Album. In 2008, Esquire named him one of the "75 most influential people of the 21st century".

Danger Mouse formed Gnarls Barkley with CeeLo Green and produced its albums St. Elsewhere and The Odd Couple. In 2009, he collaborated with James Mercer of the indie rock band The Shins to form the band Broken Bells; the band released three albums since then, with Into the Blue (2022) being the most recent one. Burton collaborated with rapper MF Doom as Danger Doom on The Mouse and the Mask and with emcee Black Thought on Cheat Codes.

Danger Mouse produced the second Gorillaz album (2005's Demon Days), Beck's 2008 record Modern Guilt, and four albums with The Black Keys (Attack & Release, Brothers, El Camino, and Turn Blue). In 2016, he produced, performed on, and co-wrote songs for the eleventh studio album by the Red Hot Chili Peppers titled The Getaway. He has produced and co-written albums by Norah Jones (Little Broken Hearts), Electric Guest (Mondo), Portugal. The Man (Evil Friends), Adele (25), and ASAP Rocky (At.Long.Last.ASAP). He has been nominated for 22 Grammy Awards and has won six. He has been nominated in the Producer of the Year category five times, and won the award in 2011.