All you need is love, Love-Love is all you need. No. The first Sonic Drive-in was originally called Troy's Pan Full of Chicken, then it was changed to Top Hat.Upon learning that the Top Hat name was already trademarked, Smith and Pappe changed the name to Sonic, in 1959. Their slogan was: Service with the speed of sound.ll you need is love, Love-Love is all you need. No. The first Sonic Drive-in was originally called Troy's Pan Full of Chicken, then it was changed to Top Hat.