Crossword Puzzle Ferocious fly when doubled

Clue: Ferocious fly when doubled

Ferocious fly, when doubled (TSE with 3 letters)
Doubleday of baseball lore (ABNER with 5 letters)
One of C. Moore's flying quadrupeds (DANCER with 6 letters)
Flying Circus lead-in (ITS with 3 letters)
LI doubled (CII with 3 letters)
Flying Cloud et al. (REOS with 4 letters)
CCLXX doubled (DXL with 3 letters)
From a star on "The Flying Nun" to a small, outdoor vole? (SALLYFIELDMOUSE with 15 letters)
Flycatcher (e.g. PEWEE with 5 letters)
Swashbuckling Flynn (ERROL with 5 letters)