Both series are very popular and have large fanbases but it's impossible to determine how famous a series is. Book sales and box office records don't take into account people who are aware of the series but haven't read or seen it.
Robert Pattinson was in both Twilight and Harry Potter. He played the role of Cedric Diggory in Harry Potter and Edward Cullen in Twilight.
No, the Harry Potter series has sold more copies than Twilight.
Harry Potter
Harry Potter and Twilight are two different fictonical stories therefore a Harry Potter character is not engaged to a Twilight character. However, Bonnie Wright who plays Ginny Weasley in Harry Potter is engaged to Jamie Campbell Bower who plays Gellert Grindelwald in Harry Potter and Caius in Twilight.
for a matter of fact he is, so now you know YES HE IS IN HARRY POTTER AND TWILIGHT!
His popularity started when Robert guest starred in a Harry Potter movie
No they are not.
No. They are two totally different series and cannot be compared. Harry Potter is action and Twilight is romance.
I heard somewhere that it was because Harry Potter 6 wasn't finish, and Twilight was.
Harry Potter and Twilight are not people. They are fictional series therefore they cannot possibly get married.
Twilight
TWILIGHT !