Dave has the appearance of a very young adult, in his 20s with a round head (and skull). He has almost shaved brown hair, with round bangs on the sides and also round eyes with black pupils, black lines near his forehead and hair that serves as eyebrows, along with a simple but wide grin. He wears a blue set of long-sleeved clothing, consisting of a medium-colored shirt and dark-colored pants. Due to an scientific experiment, Dave lost the rest of his legs that come just after his shins, having dark metal lozenge-shaped plates as replacements, in addition to always sitting in a black and light gray wheelchair. He keeps his left hand closed on his waist, while his right hand is bent forward and holding a microphone. Dave's icons show his head with a smile and a blue color. In the defeat, he is shown with his eyebrows having an X shape in place of pupils, and showing his teeth clenched.

In Insanity, Dave is slighty bothered with a cocky smile. His poses also show the same cockiness.

In Polygonized and certain parts of Insanity, Dave becomes three-dimensional, but his overall appearance remains identical, only his expression changing to one of panic, anguish, anger or fear. His icons show him terrified, with a clear reddish color.

In Splitathon, Dave is extremely confident, with an even bigger and open smile, showing his teeth. Both of his hands are now clenched on his hips, no microphone. Instead, his chair opens a compartment similar to a cup holder, but freeing up a microphone with a cable long enough to get close to Dave's face. In newer versions, the microphone tip is bluish. His icons (in Insanity and Splitathon) show him confident, and surprised in defeat, even sweating.

In the Corn Festival, Dave wears a farmer outfit similar to Bambi's, with a dark green short-sleeved shirt, matching hat, and a dark gray farmhouse jumpsuit with a pocket and a corn design above the pocket. His icons are identic, except the color is now dark green instead of blue. In Interdimensional, his icon is light blue-green.

In Vs. Dave Rap, Dave is facing the player's screen with a serious look. He wears sunglasses, a blue sweatshirt with a cap and pockets, in which Dave keeps his hands, and dark gray bluish pants. He wears sunglasses in the icon.

In Five Nights, Dave is wearing a security suit similar to the other FNaF night guards, in addition to his chair being slightly more modern, having only one wheel. The attire consists of a dark blue cap with a 'Security' tab in the middle of the cap, a baby blue dress shirt, a regular tie and pants of the same color as the cap, along with a gold badge on the left side of the chest. Dave also holds a beige mug in his left hand, written 'I Love Pizza', with a heart and pizza design representing the last two words.

In Overdrive, Dave is drawn in very poor quality, and looks much smaller. His eyes, arms, and head sometimes don't go along with his body, leaving them out of their sockets. His metal plates are square instead. of lozenges. His icon is replaced with the ones used by Top 10 Awesome.

In Recursed, when the colors change to the opponent's palette, Dave has his shirt, hair and microphone white, while his pants turn dark gray. Like the others, his expression changes to one of fear (normal) or confusion (3D).

Inside the files, it's possible to find a sprite sheet in Dave's folder called Davefriend. It's Dave's normal sprite, but with Girlfriend's face, and imitating the same poses as her, pointing the index finger. His finger nails are also painted blue, matching his clothing, as are hers (painted red, matching the dress). His icon imitates Girlfriend's icon, lacking amouth and having small eyelashes.