Dennis Oh goes by Dennis O.
Dennis Alink goes by Dennis Daja.
Dennis Kucinich goes by Dennis the Menace.
Dennis Looney goes by Dennis Fitzgerald.
Dennis Overweg goes by Dikke Dennis.
Dennis Eckersley goes by The Eck.
Dennis Rottler goes by YesNoCancel.
Dennis Rader goes by BTK.
Dennis Alexio goes by The Terminator.
Dennis Landman goes by Landman.
Dennis Skotak goes by Dennie.
Dennis Ivarsson goes by Funnyman.
Dennis Hulme went by The Bear.