-fg foreground color
choose a different color for the pupil of the eyes.
-bg background color
choose a different color for the background.
-outline outline color
choose a different color for the outline of the eyes.
-center center color
choose a different color for the center of the eyes.
-backing { WhenMapped Always NotUseful }
selects an appropriate level of backing store.
-geometry geometry
define the initial window geometry; see X(7).
-display display
specify the display to use; see X(7).
-bd border color
choose a different color for the window border.
-bw border width
choose a different width for the window border.
-shape
uses the SHAPE extension to shape the window. This is the default.
+shape
Disables uses the SHAPE extension to shape the window.