Ride the wiener! Just a few months after trying to rebrand its famous Wienermobile as the "Frankmobile," Oscar Mayer has gotten back to its roots. Effective immediately, the company says the hot dog-shaped vehicles that are on the road will once again be called by their original name. In an Instagram post, a rep wrote, "The Frankmobile was truly a BUNdle of joy. But now, it’s time to welcome back the Wienermobile!