Marisa is the best touhou. She's fun-loving, witty, and incredibly human. She's both incredibly outgoing, but also reflective and capable of being reserved at times. She's insightful, she's knowledgeable, she's curious about the world around her, and she's quick to catch on to things. Her fighting style is flashy, but at the same time straight forward at the same time, a reflection of herself in many ways. She's stylish as well, while her outfit is clearly meant to invoke the image of a classic witch, she's managed to put her own unique spin on it. She's bold and courageous, willing to venture forth and try new things, even if they may be a bit dangerous.
Basically, Marisa is the cutest, smartest, and coolest girl.