Mō-Mō

was a three-eyed cow yōkai that belonged to Tōtōsai and acts as the forging demon's traveling companion.

History
Mō-Mō has been used as a means for Tōtōsai to get around great distances at incredible speeds. He has also been used to summon others to Tōtōsai. He was first seen with Mō-Mō when traveling to Inuyasha's location in order to test his worth as Tessaiga's wielder.

When Inuyasha broke Tessaiga after fighting Goshinki, Mō-Mō teleported to Inuyasha's location so Tessaiga could be repaired at Tōtōsai's house.

Since humans were unable to survive the volcanic area of Tōtōsai's home, he has used Mō-Mō to meet them elsewhere at times. He did this when he gave Kohaku his new weapon.

Powers & Abilities

 * Flight: Mō-Mō possesses the ability to fly by projecting clouds under his hooves to sail through the air.
 * Teleportation: He also has the power to teleport almost anywhere else through a lightning bolt though he seems to favor flying more.
 * Enhanced Durability & Defense: He has physical resiliency and defenses higher than what his appearance would suggest. This is displayed in the fact that he's capable of living in the molten environment of the volcano Tōtōsai's forge is located in without any hindrances while lesser demons like Jaken are severely burned just by entering it. His hide itself is also more sturdy than expected as Tōtōsai and the others took shelter behind him when Inuyasha first used the Kaze no Kizu against Sesshōmaru.
 * Enhanced Vision: His three eyes are capable of seeing things far away even into other dimensions.
 * Vision Projection: Tōtōsai was able to show the final battle between Inuyasha and Sesshōmaru over Tessaiga by hitting Mō-Mō on the head with his hammer, causing the fight to be displayed in real time from Mō-Mō's eyes like a film projector.

Trivia

 * Mō-Mō was one of the two yōkai in the series that was shown to be an herbivore (the other being A-Un).

Media appearances
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Manga

 * Chapter 124
 * Chapter 125
 * Chapter 126
 * Chapter 127
 * Chapter 128
 * Chapter 129
 * Chapter 130
 * Chapter 157
 * Chapter 160
 * Chapter 161
 * Chapter 188
 * Chapter 189
 * Chapter 190
 * Chapter 191
 * Chapter 192
 * Chapter 214
 * Chapter 298
 * Chapter 386
 * Chapter 399
 * Chapter 409
 * Chapter 410
 * Chapter 425
 * Chapter 426
 * Chapter 485
 * Chapter 495
 * Chapter 503
 * Chapter 518
 * Chapter 545
 * Chapter 547
 * Chapter 558

Anime
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 * Episode 34
 * Episode 35
 * Episode 44
 * Episode 45
 * Episode 53
 * Episode 54
 * InuYasha the Movie: Affections Touching Across Time
 * Episode 72
 * InuYasha the Movie: Swords of an Honorable Ruler
 * Episode 144
 * Episode 167
 * Episode 3 (FA)
 * Episode 4 (FA)
 * Episode 5 (FA)
 * Episode 14 (FA)
 * Episode 15 (FA)
 * Episode 17 (FA)
 * Episode 24 (FA)
 * Episode 26 (FA)