John Mayer is making the rounds promoting his new solo album The Search for Everything and did so in disguise, at least in part, on Jimmy Kimmel’s show. Mayer appeared as “Hank The Hawk Knutley” with Kimmel’s house band, along with his dog Henry. As Mayer jokes, he got the nickname “The Hawk” from a “sex move and then a fighting style.” Kimmel eventually coaxes Knutley to perform a cut from…