Bob's Burgers Wiki
There are several pages on the Bob's Burgers Wiki with a similar name. For all uses, see Frank.

Frank and Zelda are a keyboard/drum duo who perform under the strapline "Oldies with Goodies" at Jimmy Pesto's Pizzeria.

In "Burger Wars", Jimmy Pesto, Jr. mentions that they had became ill with food poisoning due to eating the scampi.

They are yet to make an actual onscreen appearance in the series.