I'm sure this has been done numerous times, but this is what happens when I'm stuck in a hotel room with no internet, very little sleep and lots of Root all goes well, I'll write a chapter for each idea.
Disclaimer: I don't ( as in DO NOT) own LOTR any of the characters places names, ect... If I did, Frodo would have died a looong time ago and Sam would have taken the ring to Mount Doom.
1. Unleash an army of rabid Legolas fangirls
2. Dance around Gandalf singing about how Saurman has a longer beard, and is much wiser.
3. Steal all of Merry's and Pippin's pipeweed and replace it with Chili powder.
4. Give Legolas the Beiber cut and start singing " Baby" whenever you see him.
5. After the Beiber joke has gotten old, Dye his hair pink.
6. Shave his hair.
7. Buy him a mirror for Christmas
8. Ask Aragorn about his secret love for Legolas
9. When he denies it, go ask Legolas, in front of the rest of the fellowship.
10. Shout " They're taking the hobbits to Isengard" at random times
11. Sing " Friday" at hte most dramatic and serious times.
12. Stalk Frodo saying " My Precioussssss" when he stops to look at the Ring.
13. Teach Merry and Pippin " I know a song that gets on everybody's nerves"
14. Follow Gimli around telling him all the great things about Elves and all the Flaws with Dwarves.
15. Tell Sam that you accidentally dropped the Ring in the soup that he just ate.
16. Wash Aragorn's hair in a nearby river, nearly drowning him in the process.
17. Tell Aragorn that Arwen doesn't really love him, she just wants to become queen.
18. Say " I sense a disturbance in the Force" whenever you see Boromir or Frodo.
19. Give Frodo lots of sugar/Root Beer/Coke and have him sing, " We all live in the yellow submarine"
20. Whenever Gimli asks a question or says something, say " moo"