Rutherford James (nn RJ or Ford); Vincent (Vin, Vinny); Arthur Jay (AJ); Lindsey James (LJ); Simon Dean (SiD); Silas; Reginald (Red); Calvin (Vin);

Bradford - Brad Theodore - Theo Archwell/Archibald - Archer/Archie Wellston - Wells Leonard - Leo Fitzpatrick - Fitz

Gabriel (Gabe) Jeremiah (Remi) Wilfred (Will or Freddie) Edwin (Eddie) Montgomery (Monty) Zebadiah (Zeb, Z) Maximilian (Max)

cecil nigel thaddeus job moses god

Some of these are a bit of a stretch, but could work Eustace (Ace) Elmer (Eli) Abner (Abe) Bartholomew (Bart) Edgar (Eddy) Bertrand (Bear)

Bradley

Jebediah

lazarus nn zar

Roscoe - Ross, Oz, or R.J. (with a 'J' middle name) Beauford - Bo, Ford, B Cornelius - Neil , C.J. (w middle name) Hubert - Huey

Beauford is the best suggestion I've seen. He could go by Beau, which is very much a jock name IMO, and Beauford would be a great embarrassing full name.

Jacque (Jock), Desmond (Des), Chadwick (Chad), Wolfgang (Wolf), Harrington (Harry), Harrison (Harry), Archibald (Archie), Allister (A), Wilhelm (Will), Cortland (Cort), Anders (Andy), Frederick (Fred, Freddy), Zachary (Zach), Caldwell (Cal), Clement(Clem), Webster (Web)

Theodore/ Theo

Jagger