Neville Longbottom repays Harry Potter by killing Lord Voldemort's snake, Nagini, the last horcrux to be destroyed in Harry Potter and the Deathly Hallows.
No, Neville survives.
yes
Neville Longbottom.
Trevor is Neville's frog.
Neville Longbottom is on the suspension Bridge.
Hermione Granger was with them and so was Neville Longbottom.
Neville Longbottom says this in the movie Harry Potter and the Chamber of Secrets after escaped pixies hang him from a light on the ceiling.
Neville Longbottom says this in the movie after he gives Harry the gillyweed and he doesn't immediately resurface, so Neville thinks he has drowned.
Harry Potter and the Goblet of Fire. The line is said by Neville Longbottom just after Harry has jumped into the Black Lake. Neville had previously given Harry some gillyweed with which to breathe underwater in the second task. As Harry dove he hadn't come up and Neville (being Neville) went to the worst case senerio and thought his gillyweed hadn't worked and Harry was dead.
Neville's parents were called Frank and Alice Longbottom.
Gillyweed.