Well, I doubt we can be together forever. But isn't that what growing up's all about? What's important isn't how often we see each other, but how often we think about each other. Right?
~ A virtual Hayner to Olette, Pence and Roxas
Hayner is one of the supporting protagonists of the Kingdom Hearts series, He is a resident of Twilight Town who is best friends with Pence and Olette. A virtual Hayner is also best friends with Roxas in Ansem the Wise's simulated Twilight Town. He later helps Sora find a way to bring Roxas back and eventually Hayner truly meets and befriends Roxas. Alongside Olette and Pence, Hayner appears in Kingdom Hearts II, Kingdom Hearts 358/2 Days and Kingdom Hearts III.
In Kingdom Hearts II he was voiced by Kazunori Sasaki in Japanese and Justin Cowden in English. In Kingdom Hearts III he was voiced by Makoto Suto in Japanese and Zachary Gordon in English.
Hayner is encountered many times by Roxas and Axel through their visit to Twilight Town while attempting to locate Xion. While there Roxas expresses his desire to befriend the trio
Kingdom Hearts II
In a simulated Twilight Town in which Roxas is kept in by Ansem the Wise and Riku, Hayner is best friends with Roxas, He is first seen sitting with his friends expressing his frustration after Seifer and his gang accuses them of being thieves after dusks invaded Twilight Town Roxas then suggests finding the real thieves in order to clear up their names. Roxas eventually defeats the dusk who stole their camera and regroups with the trio and notice how all of the stolen pictures are of Roxas. The next day the foursome are eating sea=salt ice cream and realize summer vacation for them is coming to a close and so Hayner suggest going to the beach but dont have any money to be able to travel to the beach, so Hayner and Roxas enter the struggle tournament against seifer and his gang in order to earn enough money in order to travel to the beach (this causes Diz and Riku to intervene as no Virtual beach existed) they steal the munny that Olette had brought with them effectively sabotaging them.
Kingdom Hearts III
Hayner returns with a new outfit alongside Pence and Olette, they are seen running away from a swarm of Heartless and greet Sora, Donald and Goofy who defeat the Heartless. Afterwards they catch up with the trio, with Sora explaining he is looking for Roxas, Hayner expresses that he has never met him before, however Goofy pulls out a picture of them with Roxas and Pence pulls out another picture without Roxas and they realize its Roxas from the digital Twilight Town. Hayner then agrees to help Sora track down Roxas by asking around town for Roxas' whereabouts while Sora, Donald and Goofy go to the Old Mansion, before they split up they take a quick group selfie together. They later regroup with Sora, explaining they got no luck in finding him and that the Old Mansion was their last hope. Inside the mansion, Pence come across a computer but is unable to access it. However Ienzo contacts Sora, having noticed that they logged into the other computer set up there. As Ienzo assists Pence in linking up the computer to his computer in Radiant Garden to look for Roxas, Hayner and Olette depart setting up posters for Scrooge McDuck in order to get money for the beach.
Later they watch Ansem the Wise emerge from a dark portal by Ansem, Seeker of Darkness near the Old Mansion, the latter having take the former hostage, the trio overhear Ansem the Wise express regret for what he did to Roxas and Namine. Realizing that Ansem needs their help the trio devise a plan to assist him, Pence confronts them pretending he is looking a friend that use to live there, but the Seeker of Darkness tells him to leave but Pence explains further effectively distracting him. With Ansem's back turned, Olette appears behind Ansem the Wise and directs him away from the Seeker of Darkness. When the Seeker of Darkness realizes what is going on, Hayner appears calling Ansem a "loser" and attempts to kick him in mid-air but his guardian appears and protects him before throwing Hayner to the wall, but at that moment a group of dusks appear, protecting Hayner and surrounding Ansem and his guardian. Hayner was confused on how the dusks protected him but before he can question further, Pence grabs him and tells him to keep moving as the two run off as Ansem watches them and lets them go.
Hayner and Pence regroup with Olette and Ansem after escaping the Seeker of Darkness, Ansem is astonished to meet the very same kids Roxas was friends with in his virtual world and begins to explain to them all about Roxas when Pence pulls out the photo of them together with Roxas and Hayner is eager to learn about Roxas from him. Suddenly Vexen appears with the four dusks, expressing relief that he is safe, with Hayner getting defensive of him. Ansem and the trio realize the he was the one who sent the dusks after Ansem, the trio are frightened when the dusks appear behind him, Vexen express his desire to atone for his past actions.
In the end following Master Xehanort's defeat, the trio appear on top of the Clock Tower and at long last get to befriend Roxas for real, as well as Xion, Lea and Isa and the seven of them sit on top of the clock tower to watch the sunset, they witness Riku arrive in his Gummi Ship and are taken to Destiny Islands to celebrate, finally getting to go to the beach with Roxas and meeting Terra, Aqua, Ventus, King Mickey and Naminé, they are seen creating a sand sculpture on the beach along Donald and Goofy. They are last seen with the others watching Sora sitting with Kairi, being able to spend one last moment before fading away from existence.
Hayner, Pence and Olette planning to rescue Ansem the Wise from Ansem Seeker of Darkness.
Hayner attempts to kick Ansem.
Ansem the Wise meeting the trio.
Hayner with Pence, Olette, Roxas, Xion, Lea and Isa.