In the series 'Buffy the Vampire Slayer,' who was originally a vampire with a soul?

Angel

What's the name of Rapunzel's chameleon companion in "Tangled"? In which Pixar movie do emotions control the mind of a young girl named Riley? Who performed the hit song "Dancing Queen"? What kind of weapon is a katana? Who is Mario's original damsel-in-distress from the Donkey Kong arcade game?