TheGrefg

David Cánovas Martínez (, born 24 April 1997), better known as TheGrefg or simply Grefg, is a Spanish YouTuber and Twitch streamer. With 19.6 million subscribers, he has one of the most-subscribed Spanish YouTube channels, and is among the most-followed Twitch channels with over 12.3 million followers on that platform.

TheGrefg used to hold the Guinness World Record for the most concurrent viewers for a Twitch stream after achieving a peak concurrent viewership of 2,468,668 during the live presentation of his Fortnite outfit on 11 January 2021. This record was broken by Ibai Llanos in 2022 when a total of 3.3 million viewers arrived during La Velada del año 2.

Career David Cánovas Martínez was born on 24 April 1997, in Alhama de Murcia, Murcia, Spain, according to several interviews, he began to be interested in the subject of video games since he was a child, when he was 14 years old.

In 2018 he moved to Andorra to pay less taxes. In October 2020, Forbes Spain included Cánovas as the sixth top influencer in Spain for the year, In April 2021, was again included on a cover of the magazine Forbes.

He will fight at La Velada del Año V against Westcol, which will be held on 26 July 2025 at Estadio La Cartuja in Sevilla.

Writing career Martínez has written three books; The first book titled "Rescate en White Angel (The G-Squad)” was released in 2017, the second, titled “Los secretos de YouTube” was released in 2018,

Other works To date, he has released three songs. The first one, titled "Gracias a ti” was to celebrate his 4 million subscribers. Again, to celebrate 10 million subscribers, he released a song in collaboration with Zarcort and Piter-G. Lastly, to present his Minecraft series Calvaland released a song titled the same. Martínez was one of the presenters along with Willyrex and El Rubius of the program Top Gamers Academy, In January 2022, he held the ESLAND Awards ceremony, in which several Spanish-speaking content creators would receive their recognition.

Since 2021 he is the owner of Grefito SLU, a real estate company in Escaldes. An 80-year woman received an eviction denunciation from Grefito, the company lost the trial, and the building was put on sale.

Personal life In 2018 he started a relationship with Gemma Gallardo, but they split up in mid-2022. As of 2024, he is in a relationship with Sofía Fitness.

Awards and nominations Year Award Category Result 2018 Nickelodeon Kids' Choice Awards Favorite Spanish Influencer 2019 The Game Awards Content Creator of the Year 2021 Esports Awards Streamer of the Year The Game Awards Content Creator of the Year