Font Hero

Hollow Other Siro 5 is a regular weight, wide, very high contrast, upright, normal x-height font.

Keywords: posters, headlines, packaging, stickers, event flyers, playful, quirky, retro, whimsical, cartoon, novelty, texture, attention, playfulness, blobby, rounded, bubbly, ornamental, cutout.

A chunky display face built from rounded, swollen letterforms with soft corners and a generally monoline silhouette that’s heavily modulated by internal knockouts. Each glyph is filled with irregular, organic cut-ins and puddle-like voids, creating a spotted, hollowed texture that varies from character to character while keeping consistent outer proportions. Counters are often partially occluded by the cutouts, and terminals tend to be bulbous or gently flared, giving the alphabet a buoyant, inflated rhythm. Overall widths are generous and the texture reads bold at headline sizes, with the interior negative shapes doing much of the visual work.

Best suited to display applications where the hollowed texture can be appreciated—posters, bold headlines, product packaging, and promotional graphics. It also works well for playful branding elements, short slogans, and merchandise-style uses where a quirky, decorative voice is desired.

The irregular cutout pattern gives the font a mischievous, novelty tone—part retro display, part playful craft aesthetic. It feels energetic and slightly chaotic, like ink blots or liquid camouflage inside a cartoonish outline, producing a friendly but attention-grabbing voice.

The design appears intended as a decorative display font that combines soft, rounded forms with expressive internal cutouts to create a distinctive, patterned fill. Its goal is to add instant personality and visual texture to short text, prioritizing impact and charm over neutral readability.

The internal knockout shapes are high-contrast and can visually merge at smaller sizes, so the design’s signature texture and legibility improve notably when set large. The patterning is not strictly uniform across glyphs, which adds character and a handmade, spontaneous feel.