gistfile1.txt

module FancyPants
  class User
    def name
      "Mr. #{self.lastname}"  
    end
  end
  class Company
    def name
      "#{super()} Est. #{self.created_at.year}"
    end
  end
end

using FancyPants do
  (Users.all + Companies.all).each {|entity| puts entity.name }
end