Beng Beng Little Round Hat is the name given by the player.
According to the official data of the "Genshin Impact" game, there are players in "Genshin Impact" who are good at playing memes. Based on the plot of the mushroom beast, the appearance of the wanderer, and his original name of Guobeng, he gave the wanderer Named Beng Beng Little Round Hat.
The Beng Beng Little Round Hat is the original God character Lei Guobeng (a skirmisher and a wanderer). In the Smart Mushroom Competition, the player's first mushroom was named Bengbeng Little Round Cap, which fits the cute image of the mushroom caps on their heads.