Look past the front-of-card pokemon and Happiny is there — 2 times across the TCG, drawn between 2007 and 2021. Ken Sugimori and Saya Tsuruta's work shows up most often.
These cameos cluster in Mysterious Treasures most heavily; Ken Sugimori accounts for 1 of the appearances.
These cards feature indoor, happy, desk and laptop in their background art, illustrated by artists like Ken Sugimori and Saya Tsuruta.
Happiny appears as a background cameo across 2 Pokémon cards.
These appearances range from clear sightings to barely-visible silhouettes, scattered across 2007–2021 of the TCG.
Each cameo rewards collectors who pause to look closely at the card art.