John Dahlbäck (born 13 October 1985) is a Swedish house music producer and DJ currently based in Stockholm, Sweden. He is also known with other stage names as Hug, Huggotron, Jetboy of Beckster and notably Kaliber.
He also collaborated with his cousin Jesper Dahlbäck in duo musical projects. These include "Hugg & Pepp" and "Pepp & Kaliber" (with Pepp being the stage name of Jesper and Hugg / Kaliber stage name of John)
Dahlbäck is also the founding owner of Pickadoll Records as well as Mutants Records, with releases by, apart from his own work, artists like Sébastien Léger on Pickadoll and Lunde Bros, Albin Myers and many others on Mutants. He has recorded minimal techno under the alias Hug and as Hugg&Pepp together with his cousin and fellow producer Jesper Dahlbäck. Remixes include Kleerup's "Longing for Lullabies" and Alanis Morissette's "Underneath".
He made an appearance with a set on Pete Tong's The Essential Mix on BBC Radio 1 on October 4, 2008.
Dahlbäck's first artist album Mutants was released in May 2010 and had various releases on labels such as Dim Mak, Spinnin, Big Beat, Mix Mash, Tool Room and Ultra Records
John's weekly Mutants Radio show is broadcast on over 25 stations around the world.