He got the scars during the 3 years training between the King Piccolo saga and 23 Martial Arts turnament
No yamcha is not even close to vegeta
Yamcha has not age. This is because Yamcha is not an actual person. Instead, this is a fictional character that is found on the game called Dragon Ball.
I think Tien is stronger compared to Yamcha.
it has never been revealed if Yamcha has a last name or not.
Scars are basically long lasting cuts on the surface of the skin. Normally minor scars can wear off as your skin 'sheds' its layers. But more traumatic scars like those from operations are almost always permanent.
Jade does not have two scars on his face. Those are actually his sideburns, which he shaves into thin lines. They are not scars. They are sideburns that are really thin. People nicknamed then "JadeBurns"
Unfortunately, when Chidera was a kid he got kidnapped and apparently had acid thrown on his face which left those scars.
Yes, considering Yamcha is human and Piccolo is a powerful Namekian. Also, Piccolo has a braver spirit than Yamcha who can come off a little shallow in some episodes.
Yamcha is a longtime friend and ally of Goku, though he was once a notorious bandit. He is sometimes accompanied by Puar, his devoted cat companion. Yamcha has a great fighting spirit.
No because even though he never knew his brother after a few years, Yamcha is not Goku's brother
Gohan always use the hairstyles that yamcha has before