Warren Fox (also known as Mike Jones) is a fictional character from the British Channel 4 soap opera Hollyoaks, portrayed by Jamie Lomas. The character and casting were announced on 12 May 2006, and Warren made his first appearance on 26 June 2006. He was introduced as an old acquaintance of Sean Kennedy (Matthew Jay Lewis). Lomas opted to leave the series in 2009, with his departure coinciding with the return of Clare Devine (Gemma Bissix). On 17 October 2010, it was announced that Lomas would return to the series, appearing from 29 October 2010. However, Warren left the series for the second time in December 2011.