Humans (人間, Ningen) are reference to one or more members of the species shown throughout the games, animated series and comic books. In most media, they co-exist with Mobians. Members of the human race who are significant to several of the Sonic the Hedgehog series' storylines include Dr. Eggman (Ivo Robotnik), Maria Robotnik, Gerald Robotnik, Christopher Thorndyke, Princess Elise, and the President.
In the games, the main country is the United Federation, which has a human president (similar to the United States of America). There is also a government with multiple establishments, one of which is the Guardian Units of Nations. The humans are mainly depicted as regular people. Most humans do not have special abilities, as most of the anthropomorphic do. However, there are some cases where they do -- such as Princess Elise's forcefield power and Eggman's super-intelligence, his super human strength in his arms, and his shockingly high speed. The human species and the anthropomorphic animals mostly co-exist in areas, but one species is exclusive in some areas. It is sometimes stated that the human race is more technologically advanced than modern day Earth, in that they have more complex devices, such as the floating monitors, found in Station Square. Evidence is given to prove this, such as that humans have built more efficient space stations, and created artificial life via genetic cloning.