In 2000, an early 12" single produced on vinyl titled "I Don't Want No Other" was released by Zimmerman and Derek Caesar, under the group name Dred and Karma. A 2006 compilation album titled Deadmau5 Circa 1998–2002 was self-released under the alias Halcyon441. His debut studio album, Get Scraped, was released in 2005, with follow-up Vexillology in 2006. His breakthrough, Random Album Title, was released in 2008 and was certified gold in Canada, and silver in the United Kingdom. The album includes seminal release "Faxing Berlin", "Not Exactly", and moderate chart hit "I Remember" (with Kaskade). In 2009, his fourth studio album For Lack of a Better Name was released to critical acclaim, featuring Rob Swire collaboration "Ghosts 'n' Stuff", "Hi Friend", and the critically acclaimed "Strobe".