After quite some time, I resumed my quest for a shiny Growlithe. 150 eggs hatched, and got a shiny in the 147th. Impish, male, intimidade, Level Ball, 31/x/31/31/31/31. Not bad at all.
Results so far:
276 Fletchlings hatched. 1 shiny (260th)
180 Froakies hatched. 2 shines (68th, 160th)
270...