i think it is john 117
yes master chief's name is john....john117
we only ever find out his first name John.
master chiefs real name is "John" as cortana says in the end of legendary "pleasure working with you, John."No if you play halo 3 and you listen very carefully you may see or here them say sierra 117. John is right but his full name is "John Sierra"
yes master chiefs real name is john just read the halo book about planet Reach it will tell you.
He doesn't have one.
Tom is master chief so yes
pretty cool
Spartan #117
Three
Three
go to halopedia it's there