Unlike his fellow Compilation of Final Fantasy VII characters, Cid's appearance in the Kingdom Hearts only vaguely resembles his look in the Compilation media. He retains his goggles and wears a necklace with a rectangular charm that resembles one he wore in Final Fantasy VII: Advent Children (though it is made of wood and secured by a rope here, whereas in Advent Children it was metal and secured by a thin chain, rather resembling a military dog tag). Cid's short hair is blond, albeit styled a bit differently and much brighter than his original incarnation's platinum blond hair.
His eyes are blue and he has some stubble on his chin. Cid chews on a toothpick instead of his normal cigarette due to the younger demographic of the Kingdom Hearts series. He wears a white T-shirt with two buttons descending from the neck. His baggy pants are blue and have a very wide, orange waistband with thin, vertical stripes on it. Cid's pants are worn rather high, with the waistband coming up to just under his ribcage, similar to the way he wore them in the Final Fantasy VII games. Cid also wears grey socks and black shoes.
In the original Kingdom Hearts, Cid is one of the first characters that Sora befriends in Traverse Town. He first owns an Accessory Shop in the center of the town's 1st District. Cid sends Sora out to deliver an old, broken book (The Adventures of Winnie the Pooh) to Merlin. Later on he owns a shop which specializes in Gummi Ship parts. This is true to his Final Fantasy VII counterpart, as he is an expert on air travel. In fact, most incarnations of Cid in the Final Fantasy series have been associated with airships and mechanics.
Like Leon, Merlin, and other important characters met in Traverse Town, Cid was originally from Radiant Garden. When Leon, Yuffie, and Aerith depart to Hollow Bastion, he remains behind in Traverse Town, and seemingly becomes Kairi's only guardian. After Sora sealed Kingdom Hearts, he returns to his world and meets up with Cloud.
A memory-based version of Cid appears in Chain of Memories, in the memory-based version of Traverse Town. Like most of the characters in Kingdom Hearts: Chain of Memories, he doesn't remember Sora, but knows his name.
In Kingdom Hearts II, Cid is a member of the Hollow Bastion Restoration Committee who resides in Merlin's home with the other Radiant Garden characters. Cid seems to have a rivalry with Merlin because Cid favors technology over magic while Merlin favors the exact opposite. He is a computer expert, and manages to create a program which helps Sora and Tron defeat the Master Control Program.
Data Cid is looking for Data Huey, Dewey, and Louie. When Sora sees him having a problem, he tries to help him find the triplets. After defeating the source of the Bug Blox Corruption Data, a Guard Armor, and finding the triplets, he asks Data-Sora to give him a Haste Drink and trades it for a Glow Bangle.
- Description: An essential tool when working with bolts.
- Sector: Traverse Town: Third District System Sector
- Price: 7000 SP
- Reward: Thunder Charm
- Description: A big, warm waistband.
- Sector: Hollow Bastion Part II: Traverse Town System Sector
- Price: 3000 SP
- Reward: Triple Blizzaga
- Description: Eyewear worn by pilots.
- Sector: Traverse Town: Alleyway System Sector
- Price: 140000 SP
- Reward: Judgment Triad
Cid Highwind first appears in Final Fantasy VII and is known as a pilot of the Highwind airship, a name repeated in Kingdom Hearts as one of the names for the raft and Gummi Ship. He first appears in Rocket Town, where Shinra seem to have regained interest in his space project. Eventually, its revealed that Shinra's only end was to use the rocket, the Shinra nº 6, to destroy Meteor. The party then steals an airship, and Cid escapes with them, eventually joining in their fight against Sephiroth.
- He is one of five Final Fantasy characters featured to not have a featured weapon, the others being Aerith and the Gullwings. He is also the only Final Fantasy character not seen participating in any battle, whereas Aerith served as healer and the Gullwings managed to defeat an Armored Knight through a team effort. If he does have a weapon, then it is likely his custom-made spear (however the Kingdom Hearts manga briefly showed him attacking Heartless with a flamethrower. The backpack he wears during this scene is also a cameo of the main weapon of the Cid from Final Fantasy Unlimited).
- Though each Final Fantasy game each has had its own Cid since Final Fantasy II (and remakes of the original Final Fantasy mentions a Cid as well), the Cid of the Kingdom Hearts series is that of Final Fantasy VII, Cid Highwind. As a Cid, he bears the trademark of his association with machinery and airships, or gummi ships in this case. Like Cid Highwind, the Kingdom Hearts Cid is a pilot and has rather uncouth behavior with a good heart. However, what is not retained is the smoking habit, thus the lack of the box of cigarettes strapped to his goggles and his trademark cigarette in his mouth which is replaced by a toothpick to produce a similar image, and more importantly, his signature foul mouth, with many of these foul words replaced by symbols in the English translation. In addition, his attire resembles neither his original design nor his appearance in Final Fantasy VII: Advent Children.