H2O #2 was published by MAM Editor on January 1, 1981, as part of a series that began in 1981. Agustin Henche and A. Hernandez write, and art comes from Albert Uderzo and Ángel Gutiérrez. It features Asterix, Obelix, Alack Sinner, Oumpah-Pah and Hubert Brussels Sprout.