A person with a 100% positive attitude towards life. Everything with a doubtful ending is supposed to turn out perfectly fine.
Noun: Happy Endism
"There are happy-endists everywhere!"
- Typical phrase of a happy-endist: "Everything is gonna be alright."
- The end of the World will never come. And if it does - against all odds - the post-end-era will be even better than the World before.