Across 1 Pokémon TCG card — drawn 2000 — Gloom appears in the background art rather than as the featured pokemon. The cameos rotate through Ken Sugimori and other contributors.
Of the 1 card, Gym Heroes contributes the largest cluster. The illustrator most often responsible is Ken Sugimori, whose Gloom cameos appear in 1 of these cards.
1 cards with Gloom in the background spanning 2000, with art by Ken Sugimori.
Gloom appears as a background cameo across 1 Pokémon card.
These appearances range from clear sightings to barely-visible silhouettes, scattered across 2000 of the TCG.
Each cameo rewards collectors who pause to look closely at the card art.