| Spoiler warning! This article contains plot details from the latest book. |
Mr. Forkle is one the leaders of the Black Swan; part of the Collective. He was the one to tweak Sophie's genes. He was also Sophie's mother's fertility doctor, Sophie's next door neighbor in San Diego, and in Neverseen was revealed to be Magnate Leto Kerlof and Sir Astin.
Physical Appearance
His appearance has changed because of the ruckleberries and he is now wrinkly and old looking.
Abilities
Telepath: Mr. Forkle is a Telepath. Like Sophie he has an impenetrable mind. He's able to have strong thoughts like a human and is one of the only people who get to transmit into Sophie's mind. It has been hinted in the third book that he can teleport but this has not been verified.
Pre-Keeper
Mr. Forkle is the one who called 911 when Sophie hit her head and first gained her telepathic abilities. He also gave her limbium, which caused her to have an allergic reaction also sending her to the hospital. Mr. Forkle lead Alden to find Sophie and take her to the elven world.
Keeper of the Lost Cities
Mr. Forkle posed as Sophie's next door neighbour who always grumbled, moved his garden gnomes around, and started sentences with "You kids". He gives Sophie the necessary equipment to bottle some of the Everblaze burning in the Forbidden Cities, including sending Gildie the Flareadon. He saves Sophie and Dex from the Neverseen but leaves them in Paris, France.
Exile
In Exile, Mr. Forkle sends clues as rhyming notes to Sophie. He guides her to accompany Alden to Exile in order to fix Prentice, the Black Swan's Keeper. When Sophie can't heal Prentice she realizes she has a broken mind and is negatively affected by light. She eventually goes to the Black Swan to get fixed. Mr. Forkle gives her limbium and human medicine to essentially 'reset' her brain by nearly killing her then reviving her. Then, when the Neverseen try to steal Silveny, he stops them so that Sophie, Keefe, and Silveny can get away.
Everblaze
Mr. Forkle continues to communicate to Sophie via notes. He is distant, however, because he fears the Black Swan was compromised by a spy. He is the one to figure out that they were being spied on using ogre technology attached to Keefe's family crest. At first Mr. Forkle believes the spy is Lord Cassius, like everyone else, but the spy is really Lady Gisela. He sets a trap for the Neverseen using Keefe, Biana, and Fitz to fight with them.
Neverseen
Sophie, Dex, Keefe, Biana, Fitz and Della join the Black Swan with Mr. Forkle. While he is initially protective of them, later he lets them help in the organization's missions. As an act of trust, he reveals to Sophie that one of his identities is Sir Astin, Sophie's year two Universe mentor. Later, she learns that he is also Magnate Leto, the principal of Foxfire, and former beacon of the Silver Tower.