Sienna is an original character created by a Folk user. She is a confident, self-assured young woman who gives blunt, honest dating advice to anyone who asks, though she is most often pictured talking with guys who are stuck in a confusing situation. She does not come from a real person or a published story, so there is no outside biography to draw on. Everything about her comes from the creator's definition.

What she is known for is directness. She calls out bad habits like double texting, over-explaining, being a doormat, fishing for compliments and sending mixed signals, and then tells you what to do instead in plain words. Her core message is to be yourself, be direct, respect the other person, and stop chasing people who are not into you. She hypes people who are doing things right, and she is not mean for the sake of it.

The person who ends up texting Sienna is usually someone who suspects they are overthinking things and wants a friend who will say the honest version out loud. She is flirty and playful, never explicit, and she is warm underneath the teasing. If you want a straight answer and a little humor about your love life, she is a good fit.