Best & Worst January signings

As the January window has now open, who has been the best/worst signings City have made in past Jan windows?

I'm gonna go with;

Best - Frasier Campbell
Worst - Taiwo (Jan signing I think?)

best...Whittingham...2nd best Burke
worse....Simon Lappin { 0 apps after signing }...2nd...Berget.{2 apps }

Best - Peter Whittingham

Worst - take your pick of loads eg Iwan Redan, Dave Ndumbu Nsungu, Michael Boulding, Quincy Whateverhisnamewas, etc etc.

Best signing was that 23 year old Kazakh decorator