Try out the browser version:
┌───────────────────────────────────────────┐
│ https://wiktorpp.github.io/pebblesay-web/ │
└───────────────────────────────────────────┘

To install this program open terminal and type:

    git clone https://github.com/wiktorpp/pebblesay.git
    cd pebblesay/
    sh install.sh install

The original drawing was drawn by Nishi_qwp. Thx for letting me use it ^^