Seto Kaiba is the wealthy, card-obsessed rival from Yu-Gi-Oh, a character long associated with rare Blue-Eyes White Dragon cards and dramatic declarations about his collection. The 36 copies joke plays on that reputation, pushing his hoarding to an absurd extreme that fans instantly recognise. Shared through soundboards and short-form edits, the clip has become a shorthand reaction for excess, duplication and over-collecting. Its staying power comes from that flexibility: it fits trading-card jokes, gaming inventories and everyday hoarding just as easily.