Program.cs
 

using System;

namespace MyApplication
{
  class Program
  {
    static void MyMethod(string fname) 
    {
      Console.WriteLine(fname + " Refsnes");
    }

    static void Main(string[] args)
    {
      MyMethod("Liam");
      MyMethod("Jenny");
      MyMethod("Anja");
    }  
  }
}

Result:
Liam Refsnes
Jenny Refsnes
Anja Refsnes