It really all depends on which you prefer.
Here are some EV spreads:
252 HP/ 252 Sp.Def/ 4 Def ---> For a Special-Defensive Paraflincher.
Suggested Nature: Calm
252 HP/ 252 Def/ 4 Sp.Def ---> For a Physical-Defensive Paraflincher.
Suggested Nature: Bold
252 HP/ 252 Sp.Atk/ 4 Spd/Sp.Def ---> For a Special Tank Paraflincher.
Suggested Nature: Modest
Hope I helped :)