Keep it out!
Everything that Toriyama likes made it into his works from cars and motorcycles, Hong Kong action movies, and sci-fi it's all in there!I really do like how every little thing has a meaning or is a nod to something else. So cool.
Kind of late on this, but also in the concept of "As Above So Below" in Occult Christian Alchemy/Myth, means whatever God creates the Devil makes i.e. God created Angels so Satan created Demons
In my favorite costume tooI don't know if this was posted here but:
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Bulma's first animated appearance was in Urusei Yatsura a year before the first Dragon ball anime.