Alastair Aiken (born 6 November 1993), better known by his online alias Ali-A (or by his original alias Matroix), is a British YouTuber known for Call of Duty and Fortnite commentaries and vlogs. He is one of the highest-paid professional online gamers. His main channel Ali-A has a subscriber count of over 17 million, with its total views exceeding 5 billion. His second channel, More Ali-A, has a YouTube subscriber count of over 7.7 million and a total of over 1.9 billion video views. On 23 April 2018, Ali-A created a new channel, titled "Clare & Ali" with his partner, Clare Siobhan. The channel has since gained over 777,000 subscribers and generated more than 29 million video views. In September 2020, he created a fourth channel titled "Ali-A Plays", where he uploads content relating to t