Painting a Better Planet since 2006. Marc Álvarez (born in Barcelona; professionally known as "Dase") is a Spanish vegan artist and muralist. His works have been exhibited in Barcelona, Madrid, Miami, and New York, among many other cities. His work has been recognized by celebrities such as Pere Aragonés, LeBron James, and Ricky Rubio, among others. He has collaborated with NGOs like Greenpeace, the Ricky Rubio Foundation, and brands like Google, Coca-Cola, Nike, Amazon, Armani, Dolce & Gabbana, Le Coq Sportif, Liu-Jo, and more. His work has appeared in National Geographic, The Guardian, and many other media outlets.