This is completely dependent on whether or not it'd be for battling or just my favorites.

My bro team would be:
Lilligant
Raichu
Typhlosion
Lucario
Vaporeon
Haunter/Gengar

Competitive: (What I actually use)
Dragonite
Eelektross/Raichu with balloon
Vaporeon
Politoad
Liepard
Whimsicott/Toxicroak