Angel is a vampire with a soul.He is buffy's boyfriend for a period of time.
He dies in Becoming Part II, (when Buffy kills him), and returns in season 3.
No...He moved on to his own show....Yes. Buffy kills him and sends him to hell in the end of season 2, (Becoming Part II). He returns the next season.
Buff finds out that Angel is a vampire in the seventh episode of season 1
David Boreanaz; he is currently on FOX's anthropological hit TV series Bones alongside Emily Deschanel.