Justin Gatlin hopes athletics can be proud of him as world champion and wants his shock 100m victory to inspire others to come back from mistakes.
The 35-year-old American - twice banned for doping - stunned London Stadium by beating retiring eight-time Olympic champion Usain Bolt into third.
Gatlin - booed throughout the event - wants to be viewed as "a fighter".
"I've come back to the sport, worked hard, faced all the rules and penalties," he told BBC Sport.
"I've inspired other athletes to be better - young athletes. I've done so much in the communities at home."
After his victory in 9.92 seconds, he paid homage to the Jamaican who finished in 9.95 to take bronze behind Gatlin's 21-year-old compatriot Christian Coleman, who ran 9.94.