~$ sudo gem install kitty
Successfully installed kitty-0.0.2
1 gem installed
Installing ri documentation for kitty-0.0.2...
Installing RDoc documentation for kitty-0.0.2...

~$ kitty
     ____
    (.   \
      \  |
       \ |___(\--/)
     __/    (  . . )
    "'._.    '-.O.'
         '-.  \ "|\
            '.,,/'.,,

~$ kitty
         /\_/\
    /\  / o o \
   //\\ \~(*)~/
   `  \/   ^ /
      | \|| ||
      \ '|| ||
       \)()-())

Kitty. That is all.