Wagner has put himself forward for a return to The X Factor.
A potential X Factor All Stars series is said to be in the works for this year in place of the usual series.
Show boss Simon Cowell announced the plans in February, with a series featuring a line up of past contestants.
Simon said at the time “I’ve had a meeting with ITV, I’ve told them what I think we’d like to do with X Factor because we’ve been waiting to have this opportunity."
Now Wagner says he's up for a return and reckons he could boost viewing figures.
The star of the 2010 series - which featured the likes of One Direction - thinks The X Factor could do with more fun.
He told The Sun newspaper: "I think X Factor could do with some more interesting acts, not serious people who sing like they are suffering or dying.
“People at home watch and go ‘That’s boring.’ I make people smile wherever I go.”
Wagner, who despite not coming close to winning has become one of the show's most iconic acts, added: “I’ll bring the fun. When I’m on stage I love it. I’m 63 but I feel really young.”
As yet no names have been confirmed for The X Factor's 2019 series, including judges.
But rumour has it that Simon is keen to get a number of winners back including both Leona Lewis and Shayne Ward.
Also said to be in talks include the likes of Chico, Same Difference, Jedward and Honey G.
However a number of former X Factor contestants have ruled themselves out of the show.
They include Rylan Clark-Neal, who has instead signed up to co-host Strictly Come Dancing spin-off It Takes Two.
Meanwhile, the judging panel is reported to also feature a line up of 'all star judges' from past series after both Ayda and Robbie Williams quit.
The X Factor typically airs from September on ITV but scheduling for this year has not been announced.