Silvio Spotti (Pen Name: M.L.Zimer) is a Young Adult, fantasy and horror author.

Silvio Spotti was born in São Paulo, where he still lives and works. He has a degree in arts from the FMU/FAAM university. He began his career in 1992 as a penciler for the small press in Brazil. In 1996 he started working as an inker, working on a Brazilian version of the 'Street Fighter' comic book. In 2003 he began working for the USA market,inking a 3 issue mini series for IDW, 'Wynonna Earp'. Since then, he has inked several issues of 'Stargate SG1', 'Robocop', and 'Stargate Atlantis' for Avatar press. Green lantern and Teen Titans for Dc comics. And drawing and inking comics for publishing house such as Boom and Disney comics.

Also Silvio Spotti is the creator, writer and artist of Sword Of Justice a Comic Book published by Top Secret Press.