Born in Cachoeira do Sul into a family of Basque origin, Iturrusgarai published his first drawing when seventeen years old, at Jornal do Povo, his hometown newspaper.
At eighteen, he moved to Porto Alegre, where he studied Marketing and Advertising at the Pontifical Catholic University of Rio Grande do Sul ( PUCRS ).
In 1994 he joined the collaborative comic strip "Los 3 Amigos" together with the cartoonists Angeli, Glauco and Laerte.
[2] Iturrusgarai had his work published in several Brazilian magazines such as Chiclete com Banana, Bundas, Veja, General and Virus .
In 2014, to commemorate the twentieth anniversary of the strip, Adão retook Aline's character at age forty, now with age-related problems and a daughter, Luna, but "with more polyamory than ever".