Add locale ja(japanese) for faker gem.
faker gem. https://github.com/stympy/faker
Add this extension to your Gemfile:
gem "faker"
gem "faker-locale-ja"
Then run:
bundle install
% rails c
Loading development environment (Rails 3.2.11)
>>Faker::Config.locale = :ja
=> :ja
>>Faker::Name.name
=> "高橋 太一"