| Owen ("Running a shitty computer until it breaks.") | Opus52 ("My name is Josh and I am from Colorado, USA. My dream job when I was growing up was to be...") | ||
| OlddanIT ("Proud member of EVGA's crunching team, 45 years old, Italian, owners of 3 crappy PCs.") | Oscar Andrea Merandi ("My name is Oscar Andrea Merandi, I am a student of Computer Engineering.") | ||
 | onetos ("AAAAA") | Oleg Doe ("Понятия не имею что тут можно написать полезного") | |
| Osiris ("Hallo Allerseits, finde es spannend meinen Teil an aktuellen wissenschaftlichen...") |  | Olga ("...") | |
 | Oliver Marienfeld ("I'm a German mid-age male, father of two children and living in the southern part of...") | Ouranios Kleanthous ("My name is Ouranios i am 20 years old i study Applied Multimedia in Cyprus.") |