Halloween Versus (Rosemary's Baby vs The Exorcist vs The Omen

[Dr Movie Jerk 0]

The devil in a kid genre produced 3 great (The Omen may be a 7.5/10) movies that need to be pitted against each other.

 

Which one has the unholy power to make it into the Canon?

 

This probably has been suggested previously, but it may be so obvious that smart people were afraid of suggesting it.