Robert Gigi began working in the art studio of Raymond Poïvet while he was a student at a university. He created his first comic in the year of 1948. He called himself Bob Gigi as an alias as a comic illustrator. He worked for the Paris-Graphic press agency that was also known as Fabiola. He also worked for the magazines L'Aurore and Les Aventuriers d'Aujourd'hui. He eventually joined the Société Parisienne d'Édition (SPE) in the year of 1951 and continued to stay in the publishing house until the year of 1980. When he was a part of the Société Parisienne d'Édition, his works were published in L'Épatant, Fillette, and Pschitt Adventures. He started a fantasy series in the year of 1970 that was called Agar. This series was published in Il Corrieri dei Ragazzi. In the 1980s, Robert Gigi began to work as a comics teacher at the School of Fine Arts in Angoulême. In the year of 1991, Gigi retired and began sculpting. After a long illness, Robert Gigi died in the year of 2007.