we would just not have it. and gamers would just die. or we would probabley not have games.
Because he is fictional, he doesn't have to follow the rules of reality. This one is easy. Mario is a video game character, so he will never age. Mario never ages because Nintendo creates him that way. The people who created him make him the same every time.
No Mario will never kill Sonic. Never!
Cajo Mario was created in 1746.
Hotel Mario was created in 1994.
Mario Iriarte was created in 2008.
Mario Bros. was created in 1983.
Mario's Picross was created in 1995-03.
Mario's Picross was created in 1995-03.
Never
Mario Paint was created on 1992-07-14.
Mario's Game Gallery was created in 1995.
Mario's Pizzeria was created on 1972-06-02.