Luke Cutforth (born on April 6, 1994) is a YouTuber who became known as LukeIsNotSexy with over 569,000 subscribers.

Luke Cutforth was born in Hitchin, Hertfordshire, England. His mother was from Invergordon, Scotland and his father was from Kent, England. He attended William Ransom Primary School, where he completed his first 6 years of education. He then attended secondary school at Hitchin Boys School and was part of an Elite electronics team there.

When he was 14 years old, he moved to Sheffield and attended Tapton School.

He started making videos at the age of 10.

He was introduced to Digital Blue and he used it Cutforth at a local youth club.

According to Cutforth, the camera was his motivation to start experimenting with special effects and post production.

Luke Cutforth opened his first YouTube account 'LukeCutforth" on November 14, 2006. He posted a video of his friend singing "Don't Stop Movin'" in an effort to embarrass her. He did not begin vlogging until several years after this. Later, he began creating YouTube videos in 2009, creating short comedic videos with his friends and family.

On September 22, 2010, he started his LukeIsNotSexy YouTube channel due to advertising confusions with YouTube.

In a video to his viewers, Luke addressed that his old account had been hacked and deleted.

Since then, he has created content periodically and collaborated with many different YouTubers, including Phil Lester, Emma Blackery, and VeeOneEye.

Cutforth has a younger sister named Katie.

He dated fellow YouTuber Bethan Leadley for about a year.