xeyes

X11 demo that displays eyes following the mouse cursor

brewmacoslinux

Try with needOr install directly

About

Follow the mouse X demo using the X SHAPE extension

xeyes

Launch xeyes to display animated eyes following your mouse$ xeyes

Run xeyes with custom window geometry (width x height)$ xeyes -geometry 200x200

Run xeyes with a specific background color$ xeyes -bg blue