I've tumbled upon a few interesting widgets that let you create your own logo based on a logo of some anime series. Some of them let you to play with it a bit more so don't get discouraged by moonletters and try out ticking some buttons to edit the settings and create different looking logos.
To Aru Kagaku no Railgun/Majutsu no Index
Toradora! - only works with hiragana and katakana
I hope you enjoy it.
Sankaku Complex
