Chameleon Circuit were an English rock band known for creating music inspired by the British television series Doctor Who. Composed of popular UK YouTube vloggers and Doctor Who fans, the band released their self-titled debut album on 1 June 2009.

Alex Richard George Day is an English musician, vlogger and writer. Day has released seven studio albums, two EPs, and had three UK Top 40 hits. Day amassed more than 1,000,000 subscribers and over 130 million views on his YouTube channel before sexual misconduct allegations arose in 2014 that resulted in the end of his YouTube success.