Background cameos let illustrators wink at the wider Pokédex. Litten earns 2 of those moments across 2017, distributed among Naoki Saito and other contributors.
These cameos cluster in SM Black Star Promos most heavily; Naoki Saito accounts for 2 of the appearances.
These cards feature joyful, celebration, stadium and indeterminate in their background art, illustrated by artists like Naoki Saito.
Litten appears as a background cameo across 2 Pokémon cards.
These appearances range from clear sightings to barely-visible silhouettes, scattered across 2017 of the TCG.
Each cameo rewards collectors who pause to look closely at the card art.