Guilherme Portella 's following
- Décio Vazatmozphera
- Joel Serna Morenojoelsernamoreno
- Julio Della Florajcldf
- Bruno Borgesbrunoborges
- Lucas Montanolucasmontano
- Paul Deitelpdeitel
- Andreas Klingawesomekling
- Douglas Antonio Braga Novatodouglasabnovato
- Douglas Crockforddouglascrockford
- John Hawthornjhawthorn
- Linus Torvaldstorvalds
- International Business MachinesIBM
- Jefferson Brunoimns1ght
- David Heinemeier Hanssondhh
- Jeice LobatoJeice-Lobato
- Matttmattt
- Fábio de Souza Villaça Medeirosfabiosvm
- Caroline MeloCarolineMelo
- Arun Guptaarun-gupta
- Gabriel-Meeseeks
- Maurício PinattiMauricioPinatti
- igor kazuhiko ujiieigorujiie
- PlatanePlatane
- John Washamjwasham
- Kamran Ahmedkamranahmedse
- Elia Schitoelia
- Tom Preston-Wernermojombo
- Fabio Akitaakitaonrails
- Gaiusgaiusfonseca
- Filipe Deschampsfilipedeschamps