1. Observational Humor: This type of humor finds amusement in everyday life situations and human behaviors, it can be relevant as long as humans can relate to the observations.
2. Comedic Timing: When it comes to humor, impeccable timing can make a joke go from flat to hilarious. This includes the way words and punchlines are delivered and can transcend cultural boundaries.
3. Physical Comedy: Slapstick, pratfalls, and physical humor can be timeless and still elicit laughs from audiences.
4. Parody/Satire: Parody and satire often poke fun at current events, politics, or pop culture trends. They can remain relevant as long the subject matters they poke fun at remain relatable.
5. Witty One-liners: Quick, clever, and witty remarks that play on words or use wordplay can stand the test of time if they are executed well.
6. Character-based Comedy: Humorous fictional characters and their antics can remain popular and timeless, such as Charlie Chaplin's "Little Tramp" or Mr. Bean.
7. Universal Human Experiences: Humor that tackles themes like relationships, family, friendship, and aging, can remain relatable and relevant across generations.
8. Surreal Humor: Absurdist and surreal comedy that doesn't rely heavily on cultural references can hold up over time.
9. Irony and Sarcasm: Well-executed irony and sarcasm can remain timeless, especially when they comment on human behavior and society.
10. Self-deprecating Humor: Making fun of oneself can always draw laughs and tends to stay relevant as audiences appreciate honesty and humility.
11. Visual Humor: Silent films, cartoons, and memes without heavy contextual dependence can transcend cultures and time periods.
12. Wordplay and Puns: Clever use of wordplay and puns can amuse and entertain regardless of the era.