Shadow by far
well, both went worldwide but sonic was longer so sonic is more famous
Justin Bieber is more famous
Justin Bieber will never be famous...
justin bieber the reason i dont delete the what the first person wrote is because the are idiots of course sonic is more popular than justin everyone loves sonic and anyone that loves justin bieber is either a fan girl or a gay dude
Justin Bieber.
Justin Bieber.
Justin Bieber
sadly,bieber
justin bieber is more famous
Yes, Justin Bieber is very famous in America.
No, Justin Bieber is still very famous.<3