I know of Asterix because of the Sega games, but if it wasn't for them I wouldn't have a clue. However, I am fairly familiar with Tin Tin.
... But not familiar enough to know that he's "Tintin", apparently.
(Sorry, but I grew up loving Tintin, so seeing his name split up is a pet peeve of mine.).
Tell me about it. I react the same way when I see "Ghostrider" or "Ironman."
I wonder: Do people ever confuse "Tintin" and "Rin Tin Tin"?
Don't laugh. I've met people who thought that the Flash and Flash Gordon were the same character . . . .