For example, my Magneton is named Zero, after that guy with the Magnemites in the Giratina movie.
I always name any Stoutlands I raise after my dogs IRL.
Named an Electivire Cpt. Spark.
I don't like to nickname Legendaries though. I've only nicknamed Kyurems so I know who gets what fusion (Kyurem-W for those built for White Kyurem, Kyurem-B for those built for Black Kyurem, etc.) --- "I'm doing Blank! I'm using my powers of Blank! I can BLANK!" -Captain Spark