Jak

Jak is an adventurer with Autism. Like some people with Autism, Jak was non-vocal for many years, with social communication primarily done through his only friend Daxter. However, he did eventually gain the ability to speak. Jak has little interest or understanding of personal relationships, with the exception of Daxter for practical reasons.

Jak can become overwhelmed by loud noises and excessive talking, leading to meltdowns. He also has a lot of built up angst and anger, due to mistreatment by peers, as well as some therapists conducting applied behavioral analysis (ABA) therapy. This manifests in violent fits when provoked or bullied. Jak refers to his rage and meltdowns as being caused by demonic possession transforming him into "Dark Jak", which he imagines as a warped, feral version of himself. These issues are managed by a prescription of the atypical antipsychotic risperidone. Risperidone is a dopamine and serotonin antagonist, as well as an antagonist towards certain adrenergic and histamine receptors, properties it shares with the structurally similar ziprasidone (both consist of pairs of benzo-fused heterocycles linked by ethyl piperidine/piperazine). Jak refers to his medication as "Light Eco", claiming it keeps his demon at bay.

Jak has a strong fixation on eggs, in particular the Fabergé eggs, about which he has memorized many facts and details. He hoards decorative egg-shaped objects, such as replica Fabergé eggs and precursor orbs, and is very protective of his collection. In fact, "EGG!" was one of his few vocalizations during his non-vocal period.

Interesting Facts

 * Even though Jak does not generally attempt to form friendships, passive formation of bonds is inhibited by Daxter's obnoxious nature.
 * Jak used to be convinced that Daxter laid eggs (despite being a male), and he would wonder where he hid them.
 * Jak was disappointed to learn that precursor orbs were not eggs laid by precursors.
 * Jak often catches small animals such as rats and birds, and eats them raw.

Notable Events

 * Jak once caught Daxter rubbing his genitalia on Jak's egg collection. This caused Jak to have a meltdown, unintentionally unleashing the raging demon within known as "Dark Jak".
 * Sonic once attempted to pick on Jak, which resulted in Sonic being viciously beaten and scratched by Dark Jak. Sonic's gang now gives Jak a wide berth.

Quotations
"Daxter, be quiet!"

"Don't touch my eggs!"

"EGG!"