No, he is only of the SEGA universe. anything else (spongebob, mario, ect.) does not involve him so therefore he dosent know about.
Yes, infact Sonic has been in three games with Mario in them ( Super Smash Bros. Brawl, Mario and Sonic at the Olympic games, Mario and Sonic At the Winter Olympic Games) and one with Zelda and other characters such as Spyro and Snake and such.
The multiplayer characters in sonic the hedgehog next generation are: Sonic the Hedgehog Sliver the Hedgehog Shadow the Hedgehog And that's it, nobody else.
You can't :3 You can play as Sonic the Hedgehog and Blaze the Cat, but no other characters are playable.
Jaleel White voiced Sonic.
He only did the voice of Sonic.
no
To me, I think he started depending on your question is in 1991,where the old cartoon "Sonic The Hedgehog" started.
Sonic the Hedgehog
Sonic hedgehog
The most popular Sonic show is Sonic Underground.
Sonic the Hedgehog is the name of the official characters and series whereas Sonic Boom the Hedgehog is most likely the name of a fan character.
Sonic Underground