Robert Downy Jr’s Latest Role! Robert Downey Jr. stars in a new commercial as the voice of the Planters Peanuts mascot, Mr. Peanut. Love it! Watch the ad here: Isn’t he cute as a peanut!? Kim 😉 Share this:EmailFacebookTwitterLike this:Like Loading... Leave a Reply Cancel reply Enter your comment here... Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account. ( Log Out / Change ) You are commenting using your Google account. ( Log Out / Change ) You are commenting using your Twitter account. ( Log Out / Change ) You are commenting using your Facebook account. ( Log Out / Change ) Cancel Connecting to %s Notify me of new comments via email.