How did pros get their nicknames. What a crap response to a legitimate question. Just a bunch of unfunny comedians.
If the OP wants some answers
Rocket Rodney Morris
Alex The Lion Pagulyan
Ralf The Kaiser Souquet
Mika The Iceman Immonen
The Plague from the Hague Alex Lely
Hatchet Man Dennis Hatch
and many more
These are all the work of Matchroom Sport and their creative thinkers
If the OP wants some answers
Rocket Rodney Morris
Alex The Lion Pagulyan
Ralf The Kaiser Souquet
Mika The Iceman Immonen
The Plague from the Hague Alex Lely
Hatchet Man Dennis Hatch
and many more
These are all the work of Matchroom Sport and their creative thinkers