Question: Who kills the main character in happy death day?

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question: What character kills the main character in Happy Death Day?
short_answers: Tree's roommate, Lori
Lori Spengler
Lori
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question: What actress's character kills the main character in happy death day?
short_answers: Ruby Modine

Answer: In Happy Death Day, the main character is killed by the character of Tree's roommate, Lori Spengler, played by actress, dancer, and singer Ruby Modine. Modine co-starred as the character in both the 2017 film and its sequel, 2019's Happy Death Day 2U.