They corrected it later, but here's a screenshot plastered to Twitter of the blunder:

But he later dropped the lawsuit. And Hanna-Barbera claimed the similarity was just a coincidence, but nobody has ever believed that because Yogi Berra was such a household name at the time. Berra got the nickname "Yogi" playing legion ball, because of the way he would sit cross legged on the ground like a Hindu yogi, waiting for his turn at bat. His real name was Lawrence.