Every Thursday is Think Thursday at the mentalfloss.com Brain Game. Enjoy!

What specific personal trait do these
three TV characters have in common?

Big Bird (Sesame Street)
Thurston Howell III (Gilligan's Island)
Walter 'Radar' O'Reilly (M*A*S*H)

Here is my SOLUTION.

MY SOLUTION:

They each sleep with teddy bears on their shows.

NOTE: These type puzzles lend themselves to alternate answers, so if you came up with one that you think should count, feel free to share it with us in the comments below!