"Atari Inc. had lent $500,000 to Amiga Corporation in 1984... Amiga was purchased in August 1984 by Commodore for $27 million -including paying off the Atari loan." [0]

So in an alternate possible reality, Amiga could have been released as an Atari brand.

[0] https://en.wikipedia.org/wiki/History_of_the_Amiga#Amiga_Cor...