Efnu Nirwana is Indonesian artist based in Stockholm, he is the man behind Hel and Campa. He is lobrow painter, hand-poking tattooist, activist and lofi musician, who does painting mostly in bright colors. 
He specializes in figures and faces with shape distortion. His artworks are mostly based from his daily experiences. Socio-political issues, environment, globalization and their interplay with human emotions are integral in his works.
Efnu utilizes highly simplified and abstracted imagery in his art, reinforced by text to align the visual with the issues to send a strong and direct message to viewers. Many of his works consist of absurd objects, a single ugly figure; sarcastic humour, and puns. Colors are used to attract attention.
He also actively working in an artist-activist collective Taring Padi, Efnu founded and curating 58 Manual Print Studio in Yogyakarta; an artist's run residency and woodcut print focused studio.
His artworks are in private collection in several countries such as Indonesia, Germany, Poland, Australia, Canada, U.K, Sweden, Switzerland, France and U.S.A