Needler

 Needler is a virus from Mega Man Battle Network 3. It fires needles horizontally and vertically. When it is on the same row as its target, it will sometimes rush towards its target in an attempt to slam into it.

Needler
 Needler is a red and orange variant with a green body.

Nailer
 Nailer is a purple and green variant with a blue body.

Spiker
 Spiker is a green and blue variant with an orange body.

NeedlerΩ
 NeedlerΩ is a blue and yellow variant with a gray body.