How to Wake Gulliver. Gulliver appears randomly so keep an eye out for him. He'll always be sleeping on the beach. Once he washes up on your island, talk to Gulliver repeatedly until he stirs and wakes up.

What happens if you miss Gulliver in Animal Crossing?

If you collect any but fail to return them by the next day, Gulliver will disappear and the items will turn into rusted parts, rendering them useless for the quest.

How do I get Gulliver back?

How to Wake Up Gulliver. At random, Gulliver will appear on the shores of one of your beaches with his face down in the sand. To wake him up and start his quest, all you have to do is keep talking to him until he regains consciousness. The game will let you walk away, but just keep going back and talking.