To untangle the origin points, breeds, and cultural impact of the internet's most recognizable smirking dogs, the timeline below cross-references verified upload dates, original creators, and valuation metrics.
| Subject & Breed | Original Date | Photographer / Owner | Primary Visual Trait |
|---|---|---|---|
| Kabosu (Shiba Inu) | February 13, 2010 | Atsuko Sato | Folded paws, raised brow, sideways glance |
| Denver (Yellow Labrador) | March 11, 2011 | Ernie Quintiliani | Exposed teeth, squinted eyes, submissive grimace |
| Balltze / Cheems (Shiba Inu) | September 4, 2017 | Kathy Bhreach | Slouched posture, round profile, unbothered grin |
| Marnie (Shih Tzu) | August 2012 | Shirley Braha | Head tilt, protruding tongue, asymmetrical smile |
