In the plot of Sun and Moon Gladion is seen several times throughout the region. He can also be seen smiling at the player's champion celebration at the end of the game as well. Upon talking to him in the conservation area, he will give the player a level 40 Type: Null. After the main plot of the game, when Lusamine and Lillie leave for Kanto, he takes over as head of the Aether foundation. He is not too friendly to the player, but soon warms up to them and even thanks them for their help with Lusamine.
![gladion pokemon smile gladion pokemon smile](https://i.ytimg.com/vi/4cxM68g-9Ds/maxresdefault.jpg)
Gladion is a very intimidating and aisocial-like character in the game.
![gladion pokemon smile gladion pokemon smile](https://i.pinimg.com/736x/86/82/c7/8682c748cbecb3c569725651cdd6da1e--pokemon-sun.jpg)
He often says "Hmph" when talked to, remarked by Hau who calls him out on it. Gladion also has a cold shoulder and upsetting side to him whenever he loses a battle he will go to train with his Pokémon after a loss and will even warn the player about hurting their Pokémon in a battle. He has a hot head when met at the Aether House and tries to enforce and take out his anger on the player. Often not caring about his association with Team Skull or not acknowledging the Aether Foundation, he can be seen as rude at times. Gladion has a rude and very strict personality to him. Gladion is often seen holding his hand over his face or even holding his shaking hand in his Sprite. He shares similar physical appearances with his family that is londe hair, which he has side swept, green eyes, and pale white skin.
![gladion pokemon smile gladion pokemon smile](https://vignette.wikia.nocookie.net/robloxcreepypasta/images/1/16/Gladion_e35215_6430573.jpg)
He has silver piercings in his ears, and wears red and grey colored sneakers. However, his clothes are ripped due to Type: Null. Dressed in black pants, and a dark grey and black sleeved hoodie, with a red side pouch bag on his side, Gladion has a very unfriendly or "edgy" appearance to him. Gladion is a young man that is met several times along the player's journey throughout the Alola Region.