Hollow Other Siro 9 is a regular weight, wide, very high contrast, upright, tall x-height font.
Keywords: posters, headlines, logos, packaging, album art, playful, psychedelic, quirky, retro, whimsical, attention-grabbing, textured fill, novelty display, graphic impact, blobby, bulbous, puffy, organic, irregular.
A bulbous display face built from rounded, inflated shapes with a soft, hand-formed silhouette. Strokes are interrupted by irregular internal knockouts that create a mottled, hollowed look, producing sharp light–dark switching within each letter. Counters are often small and uneven, terminals are rounded, and widths vary noticeably from glyph to glyph, giving the alphabet a lively, wobbly rhythm. The overall texture reads as high-ink, high-contrast forms punctured by floating cutouts rather than clean inline construction.
Best suited to short, high-impact settings such as posters, headlines, branding marks, and packaging where the internal cutout texture can be appreciated. It can also work for event flyers, album artwork, and playful editorial callouts, but will benefit from generous sizing and spacing to avoid the texture merging in dense copy.
The font feels playful and slightly surreal, with a retro novelty energy that recalls psychedelic posters and crafty packaging. Its blotchy internal voids add a mischievous, animated quality—more fun-house than formal—making text appear energetic and improvised.
The design appears intended as an eye-catching novelty display face that combines puffy, rounded letterforms with distinctive hollowed cutouts to create an animated, textured fill. It prioritizes character and surface pattern over neutral readability, aiming to turn words into graphic shapes.
In longer lines, the repeated internal knockouts create a strong, busy pattern that can dominate the page; the effect is most comfortable at larger sizes. The rounded construction keeps the tone friendly, while the irregular negative shapes add grit and visual motion across words.