Juan Antonio Arguelles Rius (November 2, 1978 – June 3, 2007), also known as Arguru (sometimes Argu), was a prolific music software programmer and electronic musician, producer and songwriter, responsible for such applications as NoiseTrekker and Directwave.

Worked for the company discoDSP and was later hired by Image-Line and involved in the development of Deckadance and FL Studio 7.

In 2000, he and Frank Cobos (known as "Freaky") began mixing psytrance as a duo in Malaga under the name Alienated Buddha.

[4] While at Image-Line, he contributed to the development of FL Studio and was the primary programmer for the DJ software Deckadance, released in 2007.

On June 3, 2007, near the city of Benalmádena (Málaga, Spain), Arguru was driving when he lost control and crashed into an RV, dying in the accident.