Anivia's dance references the , a fad Chicken Dance dance.
A side-by-side comparison can be seen here.
She shares this dance with .
The quote in her lore references by Fire and Ice .
Robert Frost Anivia is the first female entirely-non-humanoid champion, the second being .
As stated by Brian 'FeralPony' Feeney, resembles the very first Nexus Crystal.
 From the previous rating system, Anivia was one of five champions with a difficulty of 10, the others being , , , and .
However, Anivia has not been given this rating originally.
Anivia also had an ability of 10, which made her the only champion that scored two 100 ratings.
While in , the champion name changes to Eggnivia for the duration of the passive.
Anivia is one of only three champions to have had her voiceover changed twice, the others being
Anivia is derived from the adjective Latin < nivea Proto-Italic *sniɣʷeyā "snowy, snow-white", all from root-verb PIE *sneygʷʰ-.
In-universe, Anivia is likely a pre-Freljordian theonym like her .
During development she was called Cryophoenix which combines Greek κρύος "cold" and Cryo , a fiery solar bird who cyclically resurrects from its own ashes, inspiring her , from Phoenix mythology: cf. the Egyptian heron Afroasiatic Bennu who likewise cyclically renews himself & the distantly related  Ababil in  .
"The abyss speaks through me" resembles "Ionia speaks through me".
"I hear whispers beneath the ice" is likely referencing the Frozen Watchers.
Blackfrost Anivia shares quotes with:
She was released in celebration of the 2010 Winter Olympics along with:
Her body coloration references a myriad of national flags.
red, white, and blue Beneath her talons are many and .
She resembles a .
Bald Eagle She is holding the in one of her talons.
She shares this theme with:
This skin depicts the aftermath of the Freljord Civil War if the Frostguard win. Their victory further spreads corruption of True Ice and, as a result, Anivia succumbs to it due to her elemental nature and tie to the Freljord.
She strongly resembles the demon , the darkened variant of the snow fairy Black Frost from Jack Frost , going so far as to having closely matched color schemes.
Shin Megami Tensei
She was released in celebration of the premiere of along with:
Jurassic World Her design was inspired by the .
Pterosaur A figure resembling the cancelled champion can be seen in the background.
She shares this theme with:
She was released in celebration of the 2017 Masquerade.
She resembles Mulata Globeleza, a character created by to promote the Brazilian carnival.
Rede Globo This is third Brazilian-themed skin, the first was and the second was .
In the Philippine server, this skin is known as "Adarna Anivia" and is Limited. This is named after the eponymous bird from the Filipino epic, Ibong Adarna.
This skin was conceived as Ave Enmascarada ("Masked Bird" in Spanish) by Jesica "Arsted" Paulin
Rejected names for this skin include 'Parade Queen Anivia', 'Carnival Anivia', 'Fesival Anivia', 'Revelry Anivia', 'Kaleidoscopic Anivia' and 'Wings of Revelry Anivia'.
This skin was inspired by .
Origami She shares this theme with:
While not directly sharing a splash art with , their splash arts can join together to make one larger image.
says he 'remembers Anivia's sacrifice', which might mean she died during the Iceborn uprising in the Howling Abyss.
Anivia support Avarosan goal of peace and unification.
was among the first Frejlordian demigod spirits. Her siblings include , , and numerous others such as the "Seal Sister".
In some Freljordian tales, Anivia is described as the one largely responsible for the destruction of original home.
She is a spiritual guide to the Notai tribe from which hails from.