Lucio Leoni and Emanuela Negrin are two Italian artists who cooperate on a variety of publications. Leoni was born in Como and lives in Monza. He started out in the Tiramolla magazine, and eventually began doing Disney comics and later worked on 'Martin Mystère' for Bonelli. Negrin was born in Monza, and began her collaboration with Leoni as his inker in 1990.
They have worked on a variety of comics, such as 'Prezzemolo', 'Arthur King', 'Mr. H.W. Grungle' and various Disney comics for Topolino. Negrin cooperated on Ink magazine and founded the Poko studios with some of her friends to work on her own characters. Leoni and Negrin have also produced comics for the German market, such as 'Abarafaxe' (in Mosaik), 'König Drosselbart' in the 'Simsala-Grimm' series and 'Mach's Noch Einmal Robin!'.