Here is a good list for you.
- Will Trent by Karin Slaughter
- In Death by J.D. Robb
- Spencer by Robert B. Parker
- Vera Stanhope by Ann Cleeves
- Alex Cross by James Patterson
- Lincoln Rhyme by Jeffrey Deaver
- Harry Hole by Jo Nesbo
- J.P. Beaumomont by J.A. Jance
- Sloane Monroe by Cheryl Bradshaw
- Inspector Banks by Peter Robinson
- James Bond by Ian Fleming
- John Rebus by Ian Rankin
- Hercule Poirot by Agatha Christie
- Roy Grace by Peter James
- William Warwick by Jeffrey Archer
- Women's Murder Club by James Patterson
- Thursday Murder Club by Richard Osman
- Ruth Galloway by Elly Griffiths
- Rizzoli & Isles by Tess Geritsen
- Chief Inspector Gamache by Louise Penny
- Bruno, Chief of Police by Martin Walker
- Mitch Rapp by Vince Flynn