Jane Egbert

Nanna is the mother of Mr. Egbert, adoptive sister of Grandpa, and adoptive grandmother of John Egbert. She is also the genetic mother of John Egbert and Jade Harley. Her remains become part of the Nannasprite.

Paradoxical Origins and Childhood
While initially introduced as John's grandmother, Nanna is actually a paradox clone of herself sent back in time as an infant from the present. Her DNA is combined with Jade's Grandpa's DNA through Ectobiology to create the paradox clones of Jade Harley and John Egbert. This action creates an inverted version of the Grandfather paradox: in this case, John creates both Nanna and himself from the present and sends the clones as infants to the past.

A relationship between John, Jade, Nanna and Grandpa was theorized in unsubstantiated conjecture, as the group shares many common traits, including hair color and style, impaired vision, and buck teeth; however, the fact that John and Jade are clones was a shocking revelation.

After being sent to Earth on a meteor during The Reckoning, Nanna is adopted by Colonel Sassacre and Betty Crocker. Eight days later, however, another meteor hits, this time transporting Grandpa from The Veil. Grandpa accidentally shoots the Colonel, killing him. He then becomes Nanna's adoptive brother.

At the age of 13, Grandpa develops a taste for adventure and takes off with Halley, leaving Nanna to stay with Betty Crocker, from whom she presumably learns how to bake. Later, after becoming Nannasprite, she bakes hundreds of cookies for John to aid him in Sburb.

Death
John was told that her tragic fate involved a bookshelf, a ladder, and an unabridged edition of Colonel Sassacre's Daunting Text of Magical Frivolity and Practical Japery. However, she was actually killed by the meteor carrying baby John from The Veil. Her remains rest on top of the mantle within a Sacred Urn until John's antics shatter it during the game of Sburb. After the ashes are hastily put back into a poorly reconstructed urn, they are showered upon John's Kernelsprite. The Sprite absorbs her memory and personality along with the odd jesting qualities of a harlequin. As evidenced by the Nannasprite, Nanna was a baking aficionado much like her son. She preferred cookies over cakes however, and this undoubtedly caused much Strife between them.

John finds a Note in the copy of Colonel Sassacre's found in his Dad's Safe that suggests that she knew that the events of the Sburb game would come to pass. Later, though, she writes the note as Nannasprite and drops it from the new location of John's House to the Land of Wind and Shade, where it eventually finds its way to the Ectobiology Lab in The Veil and goes to Earth with baby John.

Kernelsprite
John Egbert's Kernelsprite is initially prototyped with his Dad's birthday present, the Harlequin Doll, giving it a mangled face and a fake arm. After Rose and John fail to prototype it with some Betty Crocker Cake mix, and with Colonel Sassacre's book, it is then accidentally prototyped with Nanna's ashes, whose Sacred Urn was toppled following the dropping of Colonel Sassacre's text.

As both a sprite and a trickster, Nanna evaded John for a period of time. She reveals herself through the classic bucket on top of the door trick, increasing her Prankster Gambit. Her conversations are shown through the Sprite Log, where she is referred to as "Nannasprite".

Nanna retains her memories and personality as a sprite and helps John by providing needed exposition on where Sburb sent him and the whereabouts of his Dad. Whether Nanna knew of The Medium before her death is unknown, but a good portion of her knowledge is given to all sprites. Nanna also retains all her old skills as a sprite, creating so many cookies that it is surprising that there is enough room to store them all. She is also granted special powers; her scarred eye launches attacks, such as lasers, while her intact eye offers aid through various means, such as healing lasers. Both eyes are capable of conjuring furniture and kitchen appliances, which glow the same blue light as her lasers and the Nannasprite herself, the purpose of which depends on the eye used. However, an oven created by her intact eye with the purpose of catching and launching John was later used to offensively launch a cookie-infused laser at a Crude Ogre, though it's possible this was a completely different oven created by her scarred eye. She also appears to leave a blue goo (ectoplasm) behind as she phases through walls.

She is left behind at John's house when John reaches his first gate and instead continued advising him from a distance, informing him that he is the Heir of Light. When John unlocks the ability to have Nanna accompany him, she presumably will.