Tharg the Mighty was created in 1977.
Fictional ones.
The Mighty Mighty Bosstones was created in 1983.
Mighty Flyer was created in 1953.
The Mighty Decider was created in 2010.
The Mighty Boosh was created in 2004.
The Mighty Barnum was created in 1934.
The Island of the Mighty was created in 1970.
Mighty Cross was created in 1994.
Days Are Mighty was created in 2007.
Roland the Mighty was created in 1956.
Mighty Barrolle was created in 1964.
Mighty Wings was created in 1986.