President Trump cracked a joke using an edited SpongeBob SquarePants meme Sunday to poke fun at outrage over Elon Musk’s demand that federal workers explain what they did at work last week.

The meme shows SpongeBob Squarepants looking at a notepad with the heading “Got Done Last Week.” The list includes “Cried about Trump,” “Cried about Elon,” “Made it into the office ...