This page explains in detail the interactions between the Kirby series and the Star Wars series.
Kirby 64: The Crystal Shards[]
March 24, 2000
Kirby
Star Wars
The Spark-Cutter Power Combo gives Kirby a staff with blades of light extending from both ends. This weapon is a reference to the double-bladed lightsaber first seen in Star Wars: Episode I – The Phantom Menace.
License[]
The creator of Kirby didn't hold any right over LusasFilm's Star Wars but they only included a minor reference to the series.