History
In Ivysaur's Mysterious Tower!, Giovanni advised Team Rocket of his new secret weapon that he granted the trio access to. Pelipper delivered the Rocket Prize Master to them in Vermilion City, when they were confronted by Ash and Goh whilst they were trying to steal a group of Bulbasaur and Ivysaur.
In JN017, Pelipper was resting in Vermilion City when Go came across it and attempted to catch it. This caused Pelipper to fly away, inadvertently leading Go to discover Team Rocket's secret base.
Pelipper continues to deliver the Rocket Prize Machine to the trio whenever they request it.
Personality and characteristics
Pelipper is dedicated to its job of delivering the Rocket Prize Master to Team Rocket at their request, no matter where they are. Pelipper shown to stay nearby the headquarters of the Team Rocket as it was sitting near the telephone box. Pelipper is also capable of evading capture, as seen in JN017, when it flew off to avoid being caught by Goh.
Related articles
For more information on this Pokémon's species, see Pelipper.