In a small bowl, mix the cream cheese, blue cheese, and garlic powder.
In another small bowl, mix the chicken and hot wing sauce. Add additional sauce if desired to your level of spiciness (keeping in mind the cheeses will help cut the heat).
Spread the cream cheese in a thin layer across the entire tortilla. On top of the cream cheese, spread out the buffalo chicken. Sprinkle with green onions.
Roll the tortillas tightly into a log. Place the rolled tortillas in the freezer for 10 minutes to set (or refrigerate if making in advance).
When ready to serve, remove the tortilla logs from the freezer. Cut off the ends that are hollow and cut the log into 1/2 inch wide rounds. Serve immediately.
Notes
You can omit the blue cheese or replace with mozzarella cheese if desired.For less filling to tortilla ratio, reduce the amount of cream cheese to 4 ounces and garlic powder to 1/4 teaspoon.