Walmir Americo Orlandeli got his artistic education at the Unilago de São José faculty in Rio Preto. He has worked as a professional cartoonist and illustrator since 1994. He authored the Grump review at Editora Escala, based on his earlier newspaper strip, and has collaborated with the 'Front' comic book at Via Lettera. Orlandeli has published in papers and magazines like O Pasquim 21, Bundas and Look, and is co-author of the books 'Humor pela Paz e a Falta que ela Faz' (Editora Virgo) and 'Central de Tiras' (Via Lettera). He has additionally worked as an illustrator for the newspapers Diário da Região and Folha da Região, and as a collaborator with the Abril magazines Mundo Estranho, Superinteressante and Você SA.