Boasting a considerably more macabre color scheme than Mermadonna, Izanami is a pale-skinned mermaid with big blue eyes. She has gray dot eyebrows and pointed ears, with a pale blue and gray gradient fin at the middle of her head, dark gray antlers, and her hands and arms wispy white fish fins. She has long dull gray-blue hair pulled into a twisty braided bun with a long amount let loose on the side of her head. Over her chest are two dull white seashells, while she wears a long pink ribbon. Her mermaid tail is deep blue with white tail fin and top, with three big gray orbs near the end.
Yo-kai Watch 2
Mermother can be freed from the Crank-a-kai in the past with a Light Blue Coin or Special Coin, or with a Doki Doki Coin from either Crank-a-kai.
She can also appear 40,000 meters into the EnEn Tunnel.
Yo-kai Watch: Wibble Wobble
Mermother was put in as a reward for the Yo-Cake Scramble battle so only the top competing players could obtain her.
Yo-kai Watch Busters
Mermother can be freed from the Crank-a-kai with a Light Blue Coin, Light Blue Coin G, Special Coin, VIP Coin, or with her own Boost Coin which ensures each time you dont free her with the coin, the chance rises.
Mermother can be freed from the Crank-a-kai with a Sawtoakushi Coin (Kure) or a Chinatown Coin (Beauty)
Yo-kai Watch 3
Mermother can appear in the Yo-kai World Resteraunt that you can only access by linking both versions together
Saintly Scales (Japanese: しんぴのウロコ,Shinpi no Uroko)
Bad inspirits don't work on this Yo-kai.
Drainage (hits a faraway enemy)
Water Current (hits a faraway enemy. If charged, does more damage)
Mermother's soul-Raises all stats to the yo-kai next to the yo-kai that has this.
Receiving food (Favourite):"I'm reborn!"
Freed from Crank-a-Kai:"I am...reborn. Thank you for giving me new life."
Izanami's name and profile refer to Izanami-no-Mikoto, the progenitor goddess of Shintoism. Together with her husband Izanagi-no-Mikoto, she descended to Japan and gave birth to thirty-six divine beings, but as she gave birth to the last one, the fire god Kagatsuchi, his raging flames burned her to death. Refusing to accept his consort's fate, Izanagi descended into the underworld realm of Yomi to take her back, but Izanami refused as eating the underworld's food had changed her and she could no longer be with him. As he couldn't see her well in the deep darkness, Izanagi set his comb alight to gaze upon his beloved's face, but there he discovered that she had turned into a maggot-ridden living corpse. Terrified, he ran back to the surface, with the enraged and mortified Izanami giving chase. Soon as he was out he sealed the entrance with a massive boulder, leaving the furious Izanami to bang her fists against the rock and curse him, swearing she would kill 1000 living creatures each day for the offense. Izanagi replied that he would then give birth to 1500 more.
That was how death entered the world, and though the two gods' relationship would later be mended by the mediation of the dragon goddess Kikuri-Hime (who would be known as the first miko in history), Izanami remained in Yomi as the goddess of the afterlife.
Her origin aside, the reason Izanami is a ningyo Yo-kai could be due to a wordplay on her name and the word "Wave" (Japanese: 波,Nami).
"Mermother" is a portmanteau of "Mermaid" and "mother".