Designing four cats that look different at a glance

To design cartoon characters who look different at a glance, give each one a distinct silhouette, a clear color identity and a body language that matches their personality. With four cats, that matters even more, because cats share a basic shape: if the only difference is fur color, viewers will mix them up on a small phone screen.

Duma Meow, my Vietnamese cartoon comedy, has four original 2D cats: Maelis (deadpan), Corin (flustered), Seraph (wildcard) and Luna (always prepared). Here are the principles that help a group like that stay readable, with the cats' personalities as examples.

Start with personality, not looks

Design is easier when you know who the character is. A one-word personality is a great anchor:

• Deadpan suggests stillness, minimal expression and controlled movement.
• Flustered suggests nervous energy, quick movements and a slightly unbalanced posture.
• Wildcard suggests unpredictability, big gestures and odd angles.
• Always prepared suggests neatness, upright posture and props at hand.

Write the personality on top of every sketch. Each design decision should support it.

The silhouette test

Fill each character in solid black and line them up. Can you tell who's who? If not, the designs are too similar.

Ways to make silhouettes distinct, even among cats:

• Body proportions. Tall and lean, short and round, long-bodied, big-headed.
• Ears. Upright, folded, oversized or tilted.
• Tails. Long and thin, short and fluffy, curled, or held in a signature position.
• Posture. Upright, hunched, leaning or sprawled.
• Accessories. A small item like a bag or a scarf can define a silhouette, but use them sparingly.

The silhouette test matters more in short-form video, where viewers might see a character for a split second.

Shape language

Shapes carry meaning, and animators use this all the time:

• Circles feel friendly, soft and approachable.
• Squares feel stable, solid and reliable.
• Triangles feel energetic, sharp or unpredictable.

A prepared, dependable character might lean on squarer shapes; a wildcard might use sharper, triangular ones; a flustered character could be rounded but off-balance. Mixing primary shapes across a cast instantly separates them.

Color identity

Give each character a distinct main color or color combination that stays consistent. Good habits:

• Different values, not just different hues. Check designs in grayscale; if two characters turn into the same gray, change one.
• Limited palettes. Two or three main colors per character are easier to read.
• Consider color blindness. Don't rely only on red versus green to tell characters apart.
• Test on a phone. Colors can look different on small screens.

Faces and expressions

Faces carry a lot of the comedy. A deadpan character might have half-closed eyes as a default. A flustered character might have wide eyes and raised brows. The default expression is the character's resting face, and it helps viewers recognize them instantly.

Mouths matter too, especially if lip sync is simple. In Duma Meow, mouth flaps are driven by loudness, so a clear, readable mouth shape on each design helps. See lip sync for cartoons.

Movement is part of the design

A design isn't finished until you know how it moves. Two characters with similar shapes can still feel totally different if one moves slowly and precisely and the other moves in jerky bursts. Think about:

• Walk cycles. A strut, a shuffle, a bounce.
• Idle animation. What does the character do when standing still?
• Reactions. How does each one react to surprise? A deadpan cat barely moves; a flustered one jumps.

Designing for vertical video

Duma Meow is made as vertical 1080×1920 Shorts. In a tall, narrow frame, characters are often seen at small sizes, sometimes all four at once. That's where the silhouette and color tests pay off. Bold shapes, clear contrast and simple details read better than fine detail.

A quick checklist

• Each character passes the silhouette test.
• Each has a distinct primary shape.
• Colors stay distinct in grayscale.
• Resting faces signal personality.
• Movement style is different for each.
• Designs read clearly at phone size.

For more on the cats themselves, see meet Maelis, the deadpan cat and meet Corin, the flustered cat.

Line up your characters as solid black shapes at thumbnail size today; if you can't name each one in a second, change the silhouette before you change anything else.