Knuckles the Echidna

Knuckles the Echidna is one of the main characters in emerald high he is also one of the popular boys in school.

Personality
Knuckles is honest, independent, headstrong and devoted to his duty. He is very serious and usually likes to be by himself, but can be relied upon to help out whenever the planet needs saving. At times he seems jealous of the freedom that Sonic has, but is always ready to help his friends when needed. He also maintains close ties to his friends and family, though at times such relationships are tense.

Knuckles also faces a number of problems. From day one, Knuckles has lived a life different from that of any normal Mobian, having been raised as the Guardian of Angel Island. Recently, he has been linked to an ancient prophecy that says he will help save the world, hailed by the surviving Echidnas as the "Avatar" despite his disbelief in the prophecy. The strain of this responsibility has taken its toll on him through the years, though he only shows it in moments of extreme duress.

Despite these setbacks, Knuckles remains stalwart. For a time, he was incredibly depressed, having lost his enhanced abilities and his homeland upon returning from the afterlife. Upon regaining both, he realized that Mobius as a whole needed him more than Angel Island, and he dedicated himself to protecting the entire planet. This has led him to clash with his father on numerous occasions, but he remains vigilant with the support of his friends. For all of his conviction, however, Knuckles remains strongly attached to his people, and this proved to be his downfall when Finitevus told him of the destruction of 90% of the Echidna race, allowing him to fall victim to the mad doctor's influence as the new Enerjak. Knuckles is not that much unlike Sonic: he is cocky and big-mouthed, with a lot of a wise-cracks (as well as arrogance). He also is all too willing to use his fists and loathes Eggman with a passion. Over time he has learned to not trust everyone at first, and has discarded his gullibility. Unfortunately, he also has a strong temper that often leads him to rash action, and he usually reacts with anger when faced with difficult situations.