Frankie is a Krimzon Boy who lives in Spargus City. He is very dorky and nerdy and becomes friends with Sonic and the others.
He is voiced by Fran Kranz
Movies he appeares in
Sonic the Hedgehog and Jak 3
Sonic the Hedgehog in Nevermore
Sonic Storm Adventures of I, Frankenstein (cameo)
Sonic the Hedgehog and Jak 4: The Darkness Within