- In the Pokémon Red and Blue beta, Arcanine was originally known as Blaze.
- Though Arcanine is not a Legendary Pokémon, it was seen in an engraving along with Legendary Pokémon Moltres, Articuno, and Zapdos in Pokémon Emergency!.
- Many of Arcanine's Pokédex entries—starting with the one in the Japanese Pokémon Red—reference the real world, specifically China.