Looking at my wardrobe the majority I have are either from Xerjoff or Creed, so Xerjoff easily wins for me out of those two.
Nio: This is my favourite from this line, so I use this for those special occasions, romantic evenings out with the mrs, or on those days where you just think what the heck, I like it so if I run out I'll have to get another bottle
Kobe: This is my any time of the day, fresh lift me up scent.
Uden: There's just something about this one that makes it so unusual, but in a good way. Along with Nio, this is a fragrance I've had loads of compliments whilst wearing, so I use it simply when I feel like a change from the other's I have.
Fiero: I mostly use this during the evening or on colder days, due to it being a spicy/aromatic citrus, that has a lovely warmth to it.