And I once bought them a bag of the IAMS Salmon flavored kibble, which they refused to eat. I think I put it out by the garbage so someone else could grab it.
They're all about chicken (preferably with gravy) and salmon/chicken mixes.
Also, I fed them IAMS chicken/turkey kibble for years, but when Whimsy was switched to a prescription weight loss formula, well, now Willis pretty much refuses to eat the IAMs. He won't even eat it if we mix it with Whimsy's weight loss food.
They also LOVE duck, but only a certain brand, so when GO has it, I grab it.
Cats, man. Cats.