Tubamail-S

Tubamail S is a bird-like enemy in Mega Man X2, and they do a kamikaze flight toward X. They emerge from the Tubamail Generator (see below).

=Tubamail Generator=

Tubamail Generator are large hatches that deploy the Tubamail S. Mainly they appear in Wheel Gator's level, but they also appear in the X-Hunters' base.