Krillin, as Goku was about to be his student, Krillin came in a boat asking to be a student and so forth
master roshi raped goku when he was a child that is how the kemehkameha was invented goku had to suck master roshi dick to learn it and so did gohan and killin
Im pretty sure it was master roshi
episode 17
The one on front of his shirt means he was trained by the Turtle Sage, Master Roshi. The large one on his back means he was trained by the North Kai, King Kai.
Dragon Ball Episode 26
Do you remember Master Roshi's Turtle? The one who led Goku and Bulma to Master Roshi in the very first Dragon Ball manga/anime?
Goku learned the Kamehameha wave after witnessing it being used by Master Roshi and he uses it in almost every fight in DBZ .
Goku does not Tien finds out that jackie chun is roshi but never told anyone after the tien saga jackie chun is never shown again as he retired
yes chi chi goku's wife, pan goku's grandaughter, master roshi bulma, gohan, trunks, bulla bulma's daughter, goten goku's second son, mr. hecule satan, and videl gohan's wife.
Krillin is older it was explained in Dragonball while they trained with Master Roshi. Krillin is either 1 or 2 years older
play the "destined rivals"and as goku when you are about to fight vegeta in world tournament go to kami'slookout and talk to king Kai and defeat the opponent and earn the z item of 'master roshi's pupil'and kid goku.
goku met krillin in the original dragon ball series where they went to train under master roshi krillin hated goku, but after a while they became best friends and in case u are wondering his best friend is krillin.