Possible Clues:

• Enemy to remain nameless
• Boy pocketing a medal is a little blighter
• Good-for-nothing
• Pain accordingly doubled?
• Whoosis
• Unfinished Georgian architect gets military award, the blighter!
• Sounds as if 27 across comes at the double for whatshisname
• What the wretched 2 down keeps doing, by the sound of it
• Strange perch of Mortimer character
• Person unspecified or abjured