Those
missiles (or
bullets) in
Super Mario Land. They take off straight from
launch pads that pop out of
pipes. The only way
Mario can defeat them is by stepping on them since they're
immune to superballs.
Gira look like this:
##### # ##
# # O # #
# # ###O# # #
#######O# # #
######O# ##
##### #
They're worth 400
points.
Gira are similar to Bullet Bill of other Super Mario adventures.