All answers are past/present fictional characters played in popular soaps and sitcoms words in capitals are anagrams
No. 1. Sounds like this chap is healthy and fit (6)
No. 2. Cockneys flaming-Orro is bonkers (4/5)
No. 3. Small valley amongst trees for a scheming lad (3/3)
No. 11. Hardy slender silver tree for a DANE (4/5)