Answer:
I give people a huge fright but at the end I'm sweet. I normally celebrate at night when there's less heat.
I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath.
When I am alive, people sing. When I am dead, people clap hands. What am I?
If I drink, I die. If I eat, I am fine. What am I?
What comes once in a minute twice in a moment but never in a thousand years?
Special abilities and brightly colored underwear are all you need to be one of these.