LOTR: What Happened To Merry And Pippin After The Ring Was Destroyed?

gamerant.com:

Often, when people get invested in the lives of fictional characters, they wonder what happened to those characters after the main story events end. Following the big adventure is certainly interesting, but many are often curious about what came next, and whether or not these characters got their happily ever after. Most of the time, the answers to these questions aren't available because the creator has ended the story at a specific point and doesn't expand beyond it. However, Lord of the Rings fans are in luck in this regard, because Tolkien's worldbuilding went beyond the main story and often tells the tales of what happened to his beloved characters after the main conflict is over.

Two of these beloved characters are Merry and Pippin, the two Hobbits who join the Fellowship as troublemakers and turn out to be valiant and heroic in their own ways. But what happened to them after the War for the Ring was over and Sauron was no longer a threat? Did they go back to typical Hobbit lives of relative peace and quiet? Or did they continue their heroics throughout Middle-earth? Luckily, Tolkien expanded upon their stories just enough that there are actual answers to these questions.

LOTR: Why Were Bilbo And Sam Both Able To Resist The One Ring So Well?

After the Ring was destroyed, the Hobbits traveled back to the Shire and found it in a much worse place than they left it, having been taken over by ruffians and someone named «Sharkey» who turns out to be Saruman in disguise. This is the famous «Scouring of the Shire» chapter of Lord of the Rings that was omitted from the films, but in the novel, it depicts a sequence where the Hobbits have to regain control of their home after it has been sort of destroyed by Saruman and Grima