You’ve recently joined the Grey Elm, an exclusive VIP club, as an event organizer. Tonight’s event in particular features a lot of starpower, going by these aliases:
Black-DRAGON
GreenTurtleShells
golden pigeon EIGHTEEN
THRICE headed green birds
However, you need to invite one more act to round out the set. You’re racking your brain for the perfect choice��until you realize there’s one theme, one name that brings this whole list together. Yes, it has to be them. The final star group you invite is?…
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Hint 1:
Each item in the list is a slightly modified reference to two somewhat niche, but globally recognized cultural media. One is hinted at through the literal description, another is hinted at through the non-standard words/letters.
Hint 2:
The two cultural media are from Japan and Korea.