Daily Yo-kai Watch Factsさんのイラストまとめ

Pakkun's Soultimate Move in Yo-kai Watch Puni Puni is a reference to the Super Mario character Piranha Plant. The Soultimate Move is called "パックンフワワ" (Pakkun Fuwawa) and Piranha Plant's Japanese name is "パックンフラワー" (Pakkun Furawa).

Whismellowman is a Yo-kai exclusive to Japanese and Korean versions of Yo-kai Watch Blasters (and Yo-kai Watch Puni Puni). He was changed into the Yo-kai "Whisped Cream" in other localized versions, likely to avoid copyright issues.

Mad Kappa and Badsmella are the only Classic Yo-kai that do not get a rank up after being inspirited by a Wicked.

The scrapped Yo-kai Dekin-chan is based on the character Dokin-chan from the "Anpanman" series.

Zomboy was Nyanses II's owner while he was still a human.

Enerfly and Enefly have the exact same pronunciation of their names in Japanese, "Zekkouchou". However the "Zekkou" in Enerfly's name is in hiragana and the "Zekkou" in Enefly's name is in katakana.

Dazzabel and Gutsy Bones are the parents of the Yo-kai Nummskull.

Skulk is based on "Bishagatsuku", a real folklore youkai native to the prefecture of Fukui that was said to have chased you down dark roads at night.

Elna Amami uses the M-Watch to transform into Elzemekia and Zodiaraia, however what the M stands for has remained a mystery. Fans have speculated that it means "Mashoujo".

Sternyan's design is based off of Jibanyan's Japanese voice actor, Etsuko Kozakura.