Loona's from YouTube's Helluva Boss and this screenshot's taken from Valve's Garry's Mod.

These three Loonas came from their home alternate universes to greet and meet with each other as well as discuss the matters of the future wars that would threaten them, including the other ones. These fluffy hellhound ladies are:
Aphasia Loona - from hers she's born at without the ability to speak.
Queen Loona - from hers where she ruled Hell with firm and fair matters.
Stewardess Loona - from hers she created, the LoonieVerse.
They also discuss how are their friends and allies being doing and even agreed with warning and recruiting them to join on their side, should such event like that happened.