Jeremiah

Jeremiah is a Mobian Great Dane and the grandson of Kirby, the famous history writer. Jeremiah looked up to his grandfather, and adopted his love of history. When Dr. Ivo Robotnik took over Mobotropolis, Jeremiah not only evaded capture and roboticization, but, upon locating the city's abandoned library, secured it from being trashed or damaged and preserved his grandfather's book collection along with the rest of the library.

After Robotnik's demise, Dulcy and Amy Rose, exploring a rough section of the still-rebuilding Mobotropolis in search of the library found by Jeremiah. Later, together with Uncle Chuck and Tails, they learned a great deal of Mobius's history, most notably the events leading to the Great War. During Dr. Eggman's invasion of Mobotropolis, Tails, refusing to abandon Jeremiah, took several other Mobians and convinced Jeremiah to leave on the condition that the books be transported to safety as well.Jeremiah and his books were eventually relocated to the New Mobotropolis Library.