List of Ultraman Arc characters

This is the character list of 2024 Ultra Series Ultraman Arc.

SKIP
Scientific Kaiju Investigation and Prevention center, abbreviated as SKIP (スキップ), undergoes scientific investigation in order to take precautions against kaiju disasters.

Yuma Hize
Yuma Hize (飛世 ユウマ) is a 23-year-old rookie investigator of the Hoshimoto City Branch of SKIP. He transforms into Ultraman Arc with the Arc Ariser (アークアライザー) and the Arc Cube (アークキューブ).

Yuma Hize is portrayed by Yuki Totsuka (戸塚 有輝), while Paul Castro Jr. provided his voice in the English dub. As a child, Yuma is portrayed by Rihito Tachibana (立花 利仁).

Shu Ishido
Shu Ishido (石堂 シュウ) is a 25-year-old special investigator assigned by the Space Science Division (宇宙科学局) of the Global Defense Force (地球防衛隊) and armed with the Elemagun (エレマガン) handgun. Sent to SKIP, he becomes Yuma's buddy.

Shu Ishido is portrayed by Sho Kaneta (金田 昇), while Micah Solusod provided his voice in the English dub.

Rin Natsume
Rin Natsume (夏目 リン) is a 25-year-old investigator and genius programmer of the Hoshimoto City Branch of SKIP.

Rin Natsume is portrayed by Kaho Mizutani (水谷 果穂), while Dani Chambers provided her voice in the English dub.

Hiroshi Ban
Hiroshi Ban (伴 ヒロシ) is the 43-year-old chief of the Hoshimoto City Branch of SKIP.

Hiroshi Ban is portrayed by Koichiro Nishi (西 興一朗), while Tony Oliver provided his voice in the English dub.

YouPi
YouPi (ユピー), official name YouPi the Robot (ユピーザロボット), is an autonomous AI-equipped support robot of the Hoshimoto City Branch of SKIP.

YouPi is voiced by Yūya Hirose (広瀬 裕也) in Japanese and Brandon McInnis in the English dub.

Ultraman Arc
Ultraman Arc (ウルトラマンアーク) is the titular Ultra of the series and the merged form of Yuma and Rution, the being of light from a faraway galaxy. His finishing move is Arc Finalize (アークファイナライズ). His main weapon is the Arc Eye Sword (アークアイソード).

His other forms include;
 * Rution (ルティオン): Arc's true form prior to his fusion with Yuma. This is also the form he used while pursuing Monogelos.
 * Arc Armors (アークアーマー): A set of armors that Ultraman Arc can utilize to empower himself once his Color Timer blinks red, through the use of the corresponding Cubes. The armors were created from Yuma's imagination, particularly his childhood sketchings.
 * Solis Armor (ソリスアーマー): A strength-oriented armored form that grants him the properties of the sun.
 * Luna Armor (ルーナアーマー): A speed-oriented armored form that grants him Luna Saucer (ルーナソーサー) gauntlet weapon and the properties of the moon.
 * Satur Armor (サトゥルアーマー): An armored form that grants him the properties of Saturn. This form is exclusive to the 2024 stage show Ultra Heroes Expo 2024 Summer Festival in Ikebukuro Sunshine City.

Ultraman Arc is voiced by Masato Hagiwara (萩原 聖人) in Japanese, and Christopher Wehkamp in the English dub.

Minor characters

 * Tetsuya Hize (飛世 テツヤ): Yuma's father who sacrificed himself to protect his son from Monogelos' attack 16 years ago. He is portrayed by Masato Hagiwara, who also voices Ultraman Arc.
 * Takako Hize (飛世 タカコ): Yuma's mother who sacrificed herself to protect her son from Monogelos' attack 16 years ago. She is portrayed by Keiko Maki (牧 佳子).
 * Masumi Hize (飛世 マスミ): Yuma's grandmother. She is portrayed by Toshie Negishi (根岸 季衣).

Monsters and aliens

 * Galactic Beast Digelos (宇宙獣 ディゲロス):
 * Ancient Monster Gomora (古代怪獣 ゴモラ): One of the monsters that Arc faced on Earth prior to his fight with Shagong. First appeared in episode 26 of Ultraman.
 * Skull Monster Red King II (どくろ怪獣 レッドキング(二代目)): One of the monsters that Arc faced on Earth prior to his fight with Shagong. First appeared in episode 25 of Ultraman.
 * Armored Shell Monster Shagong (鎧甲殻獣 シャゴン): A carnivorous 5 meter monster that is known to feed on livestocks. As a result of Oo-ze's parasitic possession, it became giant due to its forced consumption of stalactites and Oo-ze's growth hormone. It was killed by Arc's Arc Finalize.
 * Extraterrestrial Parasitic Organism Oo-ze (宇宙寄生生物 ウーズ): A series of parasitic organism that feeds on calcium-based minerals and possessing monsters as their hosts. Originally arriving through Monogelos, Oo-ze would resurface and bred itself on Earth. The death of the progenitor of the Oo-ze swarm resulted with its spawn's immediate demise.
 * Ancient Monster Leodo (古代怪獣 リオド):
 * Galactic Beast Monogelos (宇宙獣 モノゲロス): A space monster whose arrival on Earth resulted with the K-Day incident. While remain buried to the present day, its protruding Monohorn (モノホーン) became the source of Oo-ze's assault on Hoshimoto City.