module Faker::NameRU

def name(for_sex = :random)

for_sex defaults to :random.

Faker::NameRU.name(:male)

Can be called with explicit sex (:male, :female), like:
Generates random full name which can contain patronymic 
def name(for_sex = :random)
  with_same_sex(for_sex) do
    case rand(2)
    when 0 then "#{last_name} #{first_name} #{patronymic}"
    else        "#{first_name} #{last_name}"
    end
  end
end