Skipp has fair skin and cobalt blue eyes. His hair is shoulder length and strawberry blonde, and swoops into a curl over the left side of his face. He wears a red beanie atop his head with a matching colored scarf around his neck, which is his most prized possession. For clothing, he sports a gray, striped shirt, accompanied by a brown pilot's jacket. His attire is completed with brown, poofy pants and gray boots, alongside gray fingerless gloves. Skipp appears to be the most kind, considerate, and compassionate member of the trio. Despite the schemes they must do to survive, he still prefers the actions done to be morally right. He is very optimistic and bubbly, and very caring towards Stone and Vinnie. He is highly social in general, and has no problem giving out personal information about himself if asked. He seems to have a liking to music, as he plays the mandolin. He is also fond of the natural world. He also has an interest in bugs, specifically beetles. He also seems to be empathetic and is sometimes called a "hippie" just because he once called Maggot (An angel that was in disguise as a helpless baby) "a gift from mother nature"

Stone appears to have a pale skin tone. He is also the thinnest of the three, shown as lanky and gangly. His black, fluffy hair is accompanied by sage-green eyes with a yellow sclera, most likely the result of excessive energy drink consumption. His normal attire is a black turtle neck, black shoes, a gold pendant, a gray jacket with a darker hue on the inside, a black belt, and light-gray ripped jeans. His nails are painted black, though this detail is usually not depicted. He is noted in universe to be attractive in a delicate way, to the point where he could be a model. He has even been mistaken for a woman on at least one occasion. Stone is the most pragmatic member of the crew, though he is mainly portrayed as aloof and apathetic. He has also been described as being a very private person. Furthermore, he is often seen drinking exorbitant amounts of energy drink inside of alcoholic bottles. Because of this, it is safe to assume that he has a problem regarding getting drunk off of his allergies to the drink. Nevertheless, Stone is shown to have a soft spot for those he considers his friends; he uses his ideas and wit to help them whenever he can. In stark contrast to how he appears most of the time, he is actually sensitive, kind, and anxious. Despite being seemingly apathetic, Stone actually harbors a passion for science, to the point where he has been described as a "nerd." Stone grew up in a wealthy family. However, it is heavily implied that his childhood was an unhappy one, as he has been stated to be unfamiliar with the idea of a genuinely loving family and shown to have been used as a reluctant test subject for his sister's scientific experiments. Likely because of this, he ran away and ended up in the Slum Alleys.

Vinnie is an average-statured and bronze-skinned girl who, due to being a part of a lower wealth status, appears as rugged, shabby, and somewhat grunge looking. She, along with the rest of the trio, has been stated to be in the age range of late teens to young adult. In terms of physique, Vinnie seems to be set relatively broader when placed in comparison to her peers, which suggests that unlike Stone or Skipp, she is more toned or overall just more built. Vinnie is shown to be cocky and confident, often refusing to admit her wrongdoings. She has a tendency to tease people and make choices on impulse without fully thinking them through. Nevertheless, Vinnie cares deeply for her friends and will protect them from harm through thick and thin. She is portrayed as a smooth-talking, charismatic, slightly overconfident, obnoxious, feral being. She is the de facto leader of the hobo trio, as she is the most forceful and extroverted. She loves gambling even if she doesn't even know the rules to some gambling games like poker for example

A biblically accurate angel

Pebble takes the form of a teenage boy. He has bright-cyan hair, bright-green eyes, and pale skin. Pebble typically wears a pink flannel shirt, red-violet jeans, a black tee-shirt, and hot-pink sneakers. He wears a necklace with a white pendant resembling a tooth or a yin symbol, similar to Stone's gold coin pendant, and also has small fangs. He is sometimes portrayed with angel wings. Pebble also has a second, more threatening form in which his hair and clothes turn various shades of red and his fangs get more prominent. It is unknown what exactly triggers his transformation into this form, though it is implied to be anger. Pebble is the exact opposite to Stone in personality, being outgoing and cheerful. He tends to be very confident, sly, and witty. He is highly expressive, changing what he looks like based on his emotions. He brags about things he's able to do and enjoys bugging Stone. In contrast to his flamboyant appearance, he is described as having the personality of a "crunchy granola hippie". Shapeshifting - As he is not a physical human, he is able to change his appearance at will, often based on his emotions. This is not limited to a human form; he can turn into anything he wants to. Floating - Pebble has the ability to float and fly, due to his non-physical form. Possession - It has been implied that Pebble has the ability to possess Stone's body.