Cherrygum

Cherrygum is a slime woman who is able to stretch her arms and make her hands larger. Her physical strength is proportional to the size of her arms. Don't ask how that works, she doesn't know. She also doesn't know why she can only alter her hands and arms, though her entire body is squishy and stretchy, like gelatin. Or bubblegum. Or a rubberhose era cartoon character. Her hair buns serve as slime reserves, when she does especially crazy things with her arms, they get smaller to give the arms more to work with.
Given that she is comprised entirely of liquid, she's surprisingly heavy given her slender figure.

Cherry absolutely loves to help others, especially with her curious ability, though she's also very oblivious and gullible and won't know when people are taking advantage of her. She'll reach out to complete strangers on the street without a second though. This has gotten her a lot of friends in the town where she lives, many of whom are a little worried for this silly, oblivious slime girl who most folk view as a commodity to be gawked at.
She's constantly dripping, leaving a trail of slime that'll evaporate after a half hour or so, which means she has to constantly replenish her supply, so she carries a 2 litre water bottle with her. If she doesn't drink enough water, her arms will shrink to normal size, then the big buns on her head will get small, and eventually all of her will shrink. If she drinks more water than she can hold, it just flows out of her immediately.