Disney Revives Donald Duck’s Uncle for Showdown With Billionaire

Professor Ludwig Von Drake, the know-it-all uncle of Donald Duck, is very sure he knows what’s best for Walt Disney Co.‘s investors.

He’s taken to social media to tell investors to vote for Disney’s slate of board directors at its annual meeting April 3 and to mark big red X’s beside five nominees—led by activist billionaire investor Nelson Peltz—who’ve been nominated by two shareholder groups aiming to shake up the entertainment giant.

“It’s important you vote only for Disney’s 12 nominees using the white proxy card,” the narrator of a video featuring the eccentric cartoon duck instructs. “DO NOT ...