Famous people 'trademark' their deliberate accent all the time. From Schwarzenegger to Wolfgang Puck, etc
https://www.youtube.com/watch?v=A1mqg4C0awA
>Green Eggs and Ham narrated by the Reverand Jesse Jackson
>What was great about this skit was that absolutely nobody in that studio even knew Jesse Jackson was there outside of Kevin Nealon who anchored Weekend Update and Lorne Michaels. It was a great surprise to everyone and completely unscripted. Jesse just absolutely nailed that reading.