Across 4 Pokémon TCG cards — drawn 2000–2023 — Growlithe appears in the background art rather than as the featured pokemon. The cameos rotate through Ken Sugimori, Hiroyuki Yamamoto and Taira Akitsu and other contributors.
Of the 4 cards, Aquapolis contributes the largest cluster. The illustrator most often responsible is Ken Sugimori, whose Growlithe cameos appear in 2 of these cards.
These cards feature indeterminate, people, indoor and sitting in their background art, illustrated by artists like Ken Sugimori, Hiroyuki Yamamoto and Taira Akitsu.
Growlithe appears as a background cameo across 4 Pokémon cards.
These appearances range from clear sightings to barely-visible silhouettes, scattered across 2000–2023 of the TCG.
Each cameo rewards collectors who pause to look closely at the card art.