Some of my favourites.
Singles.
C180/185
Tiger
Winjeel/T6/T28 all good fun.
Pitts
Supercub
Mig 15
Multi
Twotter
Turbo commander
Most larger twins (>5700kgs) and certainly passneger jets I have flown are a means of transport, the enjoyment is from the pay check and the time off, not the individual aircraft.