Song- 霊戦 ~ Perdition crisis Album- 東方追想録 ~ Recollection of Ancient history ~ Circle- Magnum Opus Original- 霊戦 ~ Perdition crisis Spirit Battle ~ Perdition crisis Elly's theme from Touhou 4 Lotus Land Story
I feel like every character has their own fan following, honestly. It just doesn't hurt that three common playable characters (Marisa, Alice, Yukari) all happen to be blonde.