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o1 doll front view: a white Matryoshka doll with a hand-drawn stick figure wearing a blue hard hat

The o1 doll, front view

The “o1 doll” is a stick-figure Matryoshka-style character wearing a blue hard hat. It originated as an official meme inspired by the numerous meme coins on o1 Launchpad that resemble “Basecat”, an orange cat wearing a blue hard hat. It features bouncy, playful and vivid animations, chaotic yet lively group scenes, and approachable simple hand-drawn expressions. With a fun, relaxing and highly recognizable style, o1 doll fully embodies the casual, creative and co-building atmosphere of the o1 ecosystem community.

Design at a glance

Matryoshka silhouette

A smooth, nesting-doll body in plain white with a visible seam at the waist

Blue hard hat

The builder signature carried over from Basecat and the o1 Launchpad meme scene

Hand-drawn stick figure

A simple black marker face, arms and legs drawn straight onto the doll

Views

o1 doll front view showing the smiling stick figure and blue hard hat
The full character: smiling face, outstretched arms and planted legs, with the hard hat sitting over the drawn head.

Poses

o1 doll in its neutral standing pose
The neutral resting pose. Arms out, legs apart, calm smile. This is the default reference for the character.

Where it comes from

o1 Launchpad hosts a large number of community meme coins built around “Basecat”, an orange cat in a blue hard hat. The o1 doll takes that same builder hard hat and puts it on a stick figure, turning a recurring community joke into an official mascot.
The nesting doll gives the character a group format by default. One doll is a single builder, a full set is the community, and the sizes make crowd scenes easy to compose without redrawing the character.