We recently discovered London based artist Mobstr. His work is very sarcastic and makes us crack up more often than not. He doesn't only do street art, but we feel his street art contains the best of his work. Although his “SAVE THE TREES” postcards also put a big smile on our face. The funniest pieces are probably the ongoing projects in which he incorporates the efforts of removal services into his work, such as the first of our favorite Mobstr pieces below. Check out more of his art on mobstr.org or follow him on Instagram to keep up with his latest work.