He was given the name Grigio-sama by the locals, and Ayaka City was named after the incident. In the present, Grigio Bone was summoned by the power of a Kaiju Crystal by Makoto Aizen. First spotted by a couple taking photos, the footage of him was dismissed by Katsumi as CGI until Isami revealed his device had detected the monster's activity as well. Grigio Bone then reappeared the next day when he emerged from a building and decided to go on a rampage after spotting Katsumi Minato and Isami Minato looking at him. The two brothers then went into a park where they decided to distract the kaiju to save a young boy named Kiwamu and just as they were about to be burned to death, the two brothers were given the R/B Gyro and Crystals. Katsumi and Isami then transformed into Ultraman Rosso and Blu respectively, fighting for the first time as an Ultra.
Publication Information
- R/B : Grigio
- Japanese : グルジオ
- Version : Ultraman R/B
- Type :
- Bone : Flame Bone Beast
- King : Bombing Bone Beast
- Affiliation : Makoto Aizen : Summoner/Controller
- Gender : Male
- Origin : Mt. Ayaka
- Appeareance : Ultraman R/B
- Main View : Full Episod
A fierce battle began in Ayaka City, with Grigio Bone fighting against Rosso and Blu who were seemingly inexperienced in battle. Blu made the first move, but Grigio Bone dodged his Jumping Kick easily and threw him back at Rosso. The kaiju then accelerated at the duo, but Rosso stopped him with his Flame Bullet and Blu used his Water Jet for the first time as well. As the two Ultramen and kaiju fought on, Rosso pulled up a tree from the ground and used it against the kaiju but the kaiju then caught it in his mouth and used Rosso as a shield against Blu's kick. Grigio Bone then unleashed his Bone Breather on the brothers.
Grigio Bone
- Grigio Bone
- Origin : Mt. Ayaka
- Version : Ultraman R/B
- Type : Kaiju
- Form : Grigio Bone
- Height :
- Weight :
- Height : 60 m
- Weight : 62,000 t
- Appearances : Ultraman R/B
- Grigio Bone is the monster that came to Earth in the Ayaka Comet 1,300 years before the start of Ultraman R/B. He was regarded as a legend within the city of Ayaka, until his reawakening in modern times. He is said to be a ferocious monster with unlimited strength.
- Burrowing : Grigio Bone can remain submerged underground for a very long period before returning to the surface.
- Meteor Travel : Grigio Bone is able to travel through space as a fire sphere.
- Bone Breathter : Grigio Bone's primary attack where he spits flames of up to a million degrees out of his mouth.
- Acceleration : Grigio Bone has the ability to run at fast speeds.
- Tail Whip : Grigio Bone's tail is strong enough to knock down two Ultras at once.
- Grigio King
- Origin :
- Version : Ultraman R/B
- Type : Kaiju
- Form : Grigio King
- Height :
- Weight :
- Height : 60 m
- Weight : 62,000 t
- Appearances : Ultraman R/B
- Grigio King is an evolution of Grigio Bone.
- Grigio Barrel : Grigio King has a large cannon mounted to his back. Body Spikes: Grigio King has several spines and blades across his body, which he can presumably use in melee combat.
- Grigio Regina
- Origin :
- Version : Ultraman R/B
- Type : Kaiju
- Form : Grigio King
- Height :
- Weight :
- Height : 60 m
- Weight : 62,000 t
- Appearances : R/B Episode 23
- Grigio Regina is the queen type, and presumably most powerful species of Grigio.
- Body Cannons : Grigio Regina has at least three cannons mounted on her shoulders and chest.
- Body Spikes : Grigio Regina has a variety of spines and blades across her body, which she can presumably use in melee combat.
- Spiked Tail: Grigio Regina's tail is split in two, and both points are covered in sharp spines. Considering Grigio Bone's earlier use of his tail as a weapon, Regina's is likely even more effective
