I found this on the link (credit to link)

I addapted it a little bit. :)
The only rule is that this 30 Days Challenge is only about the Male Characters of TBBT.
(exept for day 20, 21 & 23 where you can add girls ^^)

Day 1. Favorite regular male character.
Day 2. Favorite recurrent guest male character.
Day 3. Favorite one-off male character.
Day 4. Least favorite male character.
Day 5. Favorite father character.
Day 6. Favorite sibling character.
Day 7. Funniest male character.
Day 8. Favorite male character introduction scene.
Day 9. Favorite male character growth arc.
Day 10. Male character with the best dialogue lines.
Day 11. Favorite quote from a male character.
Day 12. Male character with the best clothes.
Day 13. Male character with the funniest facial expressions.
Day 14. Male character who deserves her own spin-off.
Day 15. Male character you most want to reappear.
Day 16. Male character with the most wasted potential.
Day 17. Male character the most screwed up by the writers.
Day 18. Male character you most relate to.
Day 19. Male character you aspire to be like.
Day 20. Favorite canon romantic ship.
Day 21. Favorite non-canon romantic ship.
Day 22. Favorite male friendship.
Day 23. Favorite het friendship.
Day 24. Favorite family relationship.
Day 25. Friendship or Family relationship the show dropped the ball on.
Day 26. Two male characters you wish had met.
Day 27. Relationship you wish had been explored.
Day 28. Headcanon friendship.
Day 29. Favorite male-centric episode.
Day 30. Free choice. ^^


**You don't have to post everyday

Note: You can pick the same character more than once.