According to the favourite shout outs so far
The following is the statics(roughly), =)
I tried my best and if yr fav anime is not in the list , I'm sorry
count anime
21 Bleach
21 Honey and Clover
19 Karin
18 Shakugan no Shana
17 Suzuka
16 Mushishi
15 Shuffle
15 Pani Poni Dash
12 FMP:TSR(Full Mental Panic)
13 Black Cat
11 Mashimaro
10 Rozen Maiden
10 Tsubasa
9 Eureka Seven
8 Mai Otome
7 Kamichu
6 Blood +
6 Iriya
5 Lamune
5 Emma
3 Nanoha
2 Mahoraba Heartful Days
2 Loveless