Nicknames. Who is...

MrJoeSoap

...Mr. Hockey, married to Mrs. Hockey, who played competitive ice-hockey in the 1940's, 50's, 60's. 70's, 80's and 90's (at the age of 70).

...The Iron Horse, the first man to have a jersey retired in any North American sport.

...The Wild One, who lost $1.5m to gambling in October 2005 alone.

...The Comeback King, who has just celebrated the birth of his first child, Christian.

...Sweetness, described by Mike Ditka as the greatest (American) football player he had ever seen - but even greater as a human being.

...CuJo, instantly recognizable by his 'snarling dog' masks, inspired by the Stephen King novel Cujo.

...The Round Mound of Rebound, and outdid "The Wild One" above by losing $2.5m on blackjack in a six-hour period.

Feel free to add some more!

Zaph

The Iron Horse - Lou Gehrig

The Wild One - John Daly?

The Comeback King - Ken Doherty

Sweetness - Walter Payton

MrJoeSoap

4/4 Zaph

Zaph

Wasn't sure about Daly, normally seen him referred to as Wild Thing.

yabadabado

the round mound of rebound-charles barkley
cujo-curtis joseph( he was a keeper not sure if he still playing)nhl