Val's nephew
From Tardis Wiki, the free Doctor Who reference
Tom was Val's nephew. He lived with Andrew. (PROSE: The Fantastic, Fabulous Gallery of Characters That Nearly Made It Into Closing Time but Didn't for Some Reason)
Spotting a "silver rat thing" at Sanderson & Grainger, Val wanted to get one for Tom, (TV: Closing Time) as he was a collector of motorised toys and vehicles. (PROSE: The Fantastic, Fabulous Gallery of Characters That Nearly Made It Into Closing Time but Didn't for Some Reason)