The Consumerist shared this unfortunate bit of Wendy's marketing that has been circulating on Reddit. Their coffee brand is, indeed, "Redhead Roasters" — a reference to founder Dave Thomas' daughter who is the fast food chain's namesake.
And that's what makes this extra awkward, considering the entire brand is built around a pig-tailed red-haired girl...
Footnote: Coincidentally, a GIS for "Wendy's" turned up this fan art in a link.
This is an example of what is known, in internet land, as "Rule 34"