Electro

Worked as an Orbit Guard and later as a Cosmic waste disposal
Escapes the explosion of Melmac, after it had developed major environmental issues
1986: Crash-landed in the garage of the Tanner family in Los Angeles;
1986–1990: Lived with the Tanners, hidden from the rest of the world
Builds communication devices to contact other aliens, made contact with survivors of Melmac
Captured by the Alien Task Force, while attempting to join his people
1990–1996: Studied by the U.S. military, befriended the scientists which were studying him;
Escaped the government facility, with their help, eventually granted freedom and asylum on Earth