$ npm install --save yosay

var yosay = require('yosay');

console.log(yosay('Hello, and welcome to my fantastic generator full of whimsy and bubble gum!'));

/*
     _-----_
    |       |    .--------------------------.
    |--(o)--|    | Hello, and welcome to my |
   `---------´   | fantastic generator full |
    ( _´U`_ )    |   of whimsy and bubble   |
    /___A___\    |           gum!           |
     |  ~  |     '--------------------------'
   __'.___.'__
 ´   `  |° ´ Y `
 */

$ npm install --global yosay

$ yosay --help

  Usage
    yosay <string>
    yosay <string> --maxLength 8
    echo <string> | yosay

  Example
    yosay 'Sindre is a horse'

     _-----_
    |       |    .--------------------------.
    |--(o)--|    |     Sindre is a horse    |
   `---------´   '--------------------------'
    ( _´U`_ )
    /___A___\
     |  ~  |
   __'.___.'__
 ´   `  |° ´ Y `