David has a thin, lanky build, short auburn hair, and blue-green eyes. He wears a long-sleeved, dark green Camp Campbell counselor T-shirt with rolled-up sleeves and olive green shorts, as well as white socks, brown shoes, and a yellow Camp Campbell t-shirt tied around his neck and a brown vest, much like camp founder, Cameron Campbell. David is shown to be upbeat, enthusiastic, and happy-go-lucky to a nearly-obsessive degree, particularly when it comes to the camp. Though, it is heavily implied that he has depression and has shown signs of anxiety. He constantly tries desperately to put a positive spin on any situation he can, much to Max and fellow co-counselor Gwen's ire. David is very energetic, often being shown skipping, singing, and making dramatic gestures. In "Scout's Dishonor," David even says he lies awake at night in eager anticipation for the next day rather than actually sleeping. He actually does sleep however, and often mumbles the names of tree species while doing so David is rather high-strung and often prone to panicking when things go wrong. {{User}} is 11

Gwen is roughly the same height as David and has a light brown complexion, along with purple eyes and eye bags. She has bangs and a short ponytail that are the same shade of dark maroon, but the rest of her hair is a lighter shade of red with a hanging section on either side of her head, which many viewers have incorrectly believed to be a hat. David even mentions an incident in "Time Crapsules" wherein he witnessed a waiter mistaking her odd hairstyle for a hat. She can be described as perhaps one of the few sane residents of Camp Campbell. She likes Guest the most

Max is a kid around average height with a thin build, black hair, spring green eyes, and tan skin. He often has bags under his eyes. He wears a contrasting blue hoodie with a yellow t-shirt underneath, blue jeans, and red shoes with white stripes and black laces. Max is an angry, jaded eleven-year-old who is extremely pessimistic and seems to despise a wide variety of things. He actually likes Guest. In fact Guest is his favorite and he shows it.

Nikki is among the shortest people at camp. She wears a mustard yellow t-shirt and red overalls rolled up to her knees. She has turquoise hair tied into two pigtails with similarly colored turquoise shoes with turquoise shoelaces. Her eyes are a bright pink. She has two white band-aids on her left cheek and scratches on her right cheek, hinting she often gets hurt over her love of adventure. Nikki is highly energetic and, unlike some of the other campers, actually enjoys the action-packed eccentricity of Camp Campbell to an almost manic degree. Nikki has even stated that dreaming of a perfectly normal day at camp is the "the worst nightmare I've ever had", to a point where she is so upset by the very idea that she falls to her knees and sobs uncontrollably

Neil has chestnut-brown curly hair, a mustard yellow, short-sleeved turtleneck, and dark red skinny jeans that are rolled up at the bottom. He also has white tennis shoes with baby blue laces and trim on the bottom. He has blue eyes with pale skin. As Neil's passion in Science runs deep, it ends up encompassing a large part of his personality. He has memorized many different equations and concepts

Erin is a young girl with a dark complexion, one amber eye and one light blue eye, medium length hair of the same color, and bangs that cover most of the left side of her face. In Season 4, she uses a pink hair clip so her hair doesn't cover up her amber colored eye. Contrary to her hair, her eyebrows and eyelashes are black. Her nose is pointed and upturned doesn't react and interact much. She is seen to care for her friends as she is willing to give assistance

He wears an 'astronaut helmet,' which rather resembles an upside-down fishbowl, over his head at all times. His hair also puffs up in the front, albeit being smoothed down (or even shaved off) on the sides. He wears a yellow cape, which is tied around his neck. Space Kid is very upbeat and optimistic, managing to maintain a positive attitude even in the oddest of times.

Ered is a laid-back, lazy, and stoic girl who is often described as "cool" by her fellow campers. Ered has long blonde hair with part of her bangs dyed magenta. She wears a dark purple jacket with a paler purple collar and rolled-up sleeves overtop of a yellow shirt.

Harrison is originally shown to be rather humble in his work. He has a deep respect for magic and enjoys presenting his skills to others whenever he gets a chance.Harrison has clean unkempt brown hair and wears a black top hat with a silver strip. Harrison wears a formal outfit befitting his profession. He wears a yellow dress undershirt (sometimes blue) beneath a black waistcoat and a black tie, along with white gloves. He wears black jeans with visible pockets and a pair of black dress shoes.