animate-string
animate-string is an autoloaded compiled Lisp function in `animate.el
'.
(animate-string STRING VPOS &optional HPOS)
Display STRING animations starting at position VPOS, HPOS.
The characters start at randomly chosen places,
and all slide in parallel to their final positions,
passing through `animate-n-steps' positions before the final ones.
If HPOS is nil (or omitted), center the string horizontally
in the current window.