Trivia

His favorite bass is his Gibson Thunderbird

Bass guitar player for the British post-punk band The Cure, 1979-1982 and 1985-present.

After leaving The Cure, Simon formed another band called Fools Dance. His friend Gary Biddles sang most of the songs released by this band; Simon only sang one called "The Ring." The band dissolved after Simon reconciled with Robert Smith and rejoined The Cure.

He is the youngest of six children born to Bob and Peg Gallup; his siblings are Stuart, David, Duncan, Monica, and Ric.

He has been married twice. His first wife Carol Thompson is the younger sister of Porl Thompson. They had two children named Lily and Eden before they were divorced sometime around the end of the Wish Tour in 1992. Since then, Simon has married a woman named Sarah and had a third child named Evangeline.

He is the second longest serving member of The Cure, hence he is often referred to as Robert Smith's right-hand man.