Today’s question comes from Rithwik .
A and B served as inspirations for X .
Solve for A , B and X .

A

B
Quoting Abhi ,
“A: Donald E. Westlake
B: Bachman-Turner Overdrive, or BTO.
Stephen king took his pseudonym, Richard Bachman, from Donald’s pseudonym (Richard Stark) and the band name”
Cracked by Abhi , Deepthi Mani , Incognito , Arun Hiregange and Superbrat .
A: Donald E. Westlake
B: Bachman-Turner Overdrive, or BTO.
Stephen king took his pseudonym, Richard Bachman, from Donald’s pseudonym (Richard Stark) and the band name.
A Donald Westlake/Richard Stark
B Bachman-Turner overdrive (well, that is a bit too obvious!)
X Stephen King / Richard Bachman
A- Richard Stark (Donald Westlake)
B- Bachman-Turner Ovredrive
X- Richard Bachman (Stephen King)
Richard Bachman, Stephen King’s pseudonym, from Bachman Turner Overdrive and Donald E. Westlake’s pseudonym Richard Stark.
A. Donald Westlake whose pseudonym was Richard Stark
B. BTO = Bachman-Turner Overdrive
C. Stephen King combined the two to form his pseudonym = Richard Bachman