Rerun Y2K #58 answer

MISTY

Why MISTY is a Y2K word

The Cerulean City gym leader who followed Ash across three regions with a bike grudge and a Psyduck that would not stay in its ball.

About Rerun

Rerun is a free daily word game set in the culture of another time. Season 01 is Y2K: guess one late-’90s or 2000s word in six tries, with a category as your clue. A new puzzle unlocks every day at midnight Pacific.