I never considered Dr Pepper as a person because they made a big deal about how it doesn't have a period in the name, like an actual doctor title would. So it's always just been a brand name to me.
But I'm a bit neurotic about nitpicky details like that.
Dr Pepper was designed to taste like what a soda fountain smells like, a mix of flavors like when you made "swamp water" as a kid.
So it's "Dur Pepper's Monster" to me.
I haven't looked in a while but in 2020, prune juice was still in the mandatory ingredients list. It's mainly corn syrup and water, but prune juice is involved, I think