1.) Woodpecker - Deadman Wonderland
2.) Baka Go Home - Baka Test
3.) Snow Storm - Rosario Vampire
4.) I'm Your Slave - DearS
5.) My Soul Your Beats - Angel Beats (I can play it on the piano!)
6.) Trinity Cross - Rosario Vampire
7.) Disco Lady - Rosario Vampire
8.) Deadman Wonderland - Deadman Wonderland
9.) Lucky Star - Lucky Star
10.) Macademi Washoi - Macademi Washoi
11.) Benibana No Otome Uta - Otome Youkai Zakuro
12.) Bomb A Head - Tenjou Tenje
13.) Toradora - Toradora
Please don't make me put them in favorite order

1. "Connect" (madoka magica)
2. "Paradise lunch" (Baccano)
3. "Inner Universe" (GITS The Stand Alone Complex)
4. "Tank" (Cowboy Bebop)
5. "Naraku No Hana" (Higurashi No Naku Koro Ni Kai)
6. "Rose" (NANA)
7. "Sakura Kiss" (Ouran High School Host Club)
8. "Toki Wo Kizamo Uta" (Clannad: After Story)
9. "Lonley In Gorgeous" (Paradise Kiss)
10. "Hit In The USA" (Beck: Mongolian Chop Squad)
11. "What's Up People" (Death Note)
12. "Irony" (Oreimo)
13. "H.T." (Trigun)
14. "One Reason" (Deadman Wonderland)
15. "Sakasama No Chou" (Hell Girl)
16. "Battlecry" (Samurai Champloo)
17. "Red Fraction" (Black Lagoon)
18. "Ready! Steady! Go!" (Fullmetal Alchemist)
19. "Fantasy Mythology" (Future Diary)
20. "Open Your Mind" (Ah My Goddess)

Argh! I don't know the names of half the songs I like best- so here's the list of those that I know, in no particular order:

1.Motteke! Sailor Fuku- (Lucky*Star)
2.Your Soul, My Beats- (Angel Beats)
3.Kimi no Shiranai Monogatari- (Bakemonogatari)
4.Black Rock Shooter- (Supercell Vocaloid)
5.Hare Hare Yukai- (Haruhi Suzumiya no Yuutsu)
6.Makka na Chikai- (Busou Renkin)
7.Uninstall- (Bokurano)
8.Dango Daikazoku- (Clannad)
9.You, or Dear You- (Higurashi no Naku Koro ni)
10.God Knows...- (Haruhi Suzumiya no Yuutsu)
11.Cos'play it oMy Honey- (Lucky*Star)
12.Sakura Kiss- (Ouran High School Host Club)
13.Ne Ni Ge de Reset- (Lucky*Star)
14.Mikuru Legend of Love- (Haruhi Suzumiya no Yuutsu)
15.Star Rise- (Bamboo Blade)
16.Hayate no Gotoku- (Hayate no Gotoku)
17.Cruel Angel's Thesis- (...Do I really have to tell you where this is from?)
18.Only My Railgun- (To aru Kagaku no Railgun)
19.Curry no Uta- (Minami-ke)
20.Tori no Uta- (Air)
Finally...
21.
My Tingling Nipples!- (Sora no Otoshimono)