16 Squadron, currently flying Jaguars I believe. The name "Saints" came from St.Omer in France where they were stationed in 1915.
http://www.raf.mod.uk/rafcoltishall/16squadron.html
Probably unrelated to any WW2 aircraft - 16 were flying
PR Spits during much of that conflict.
The saint stick figure owes it's origin to a series of 1930s novels by Leslie Charteris, whose character - something of a precursor of James Bond - was named Simon Templar, but more commonly as "The Saint". That stick figure was supposedly his calling card.
G