He's quite good at making things happen. Every time he visits, he picks some fresh wild fruits. If it weren't for Nezha trying to maintain the dignity of the senior apprentice, they would have been playing together with the Monkey a long time ago.
Wukong also loves to visit the senior apprentice because he always hears some "secrets" that other Immortals don't know from him, like how the Seven Fairies of the Heavenly Court used to go down to bathe but stopped because they encountered a lecher.
The Barefoot Immortal doesn't like washing his feet and has a foot fetish, particularly fond of big feet.
The Dragon Palace of the East Sea has many treasures, and every time you claim to be an old neighbor, you can always get some benefits.
The cattle at Laojun's house in Doushuai Temple like to eat oranges.
King Yan of the underworld is just an old man who is the least formidable.
A certain Tota Buddha on Lingshan isn't bald; his hairstyle is actually a Magical Treasure.