Originally Posted by The22ndRachel:
“As his name is David; David Bowie / Ziggy Stardust.
Comes from that”
Originally Posted by Hypnos Metis:
“I was going to say it's a bowie reference. I'm pretty sure they confirmred it. Especially as they seem to like to play with the names like that (the doctor who assistants -take that twins, freddie (Mercury) etc...)”
Yep. Spot on. All the Roscoe's are musically named, although I forgot who Joe's named after.
Freddie (Mercury)
David 'Ziggy' (David Bowie / Ziggy Stardust)
Robbie (Williams) and Jason (Orange) - Take That
As for the Lomaxes, they're named after Doctor Who assistants and the ages of them follows the chronological order their Doctor Who namesakes appeared in the show.
Leela - 1977 - 1978 (4th Doctor)
Tegan (Jovanka) 1981 - 1984 (4th/5th/6th Doctors)
Peri (Brown) 1984 - 1986 (5th/6th Doctors)
Rose (Tyler) 2005 - 2013 (9th/10th Doctors)