Goblin Punch

Goblin Punch is an ability of Goblin type monsters and a Blue Magic. It tends to have a factor affecting its damage.

Final Fantasy IV
Rydia can learn the Goblin (or Imp) summon.

Final Fantasy V
Blue Magic.

Final Fantasy VI
the Stone Lore

Final Fantasy VII
Enemy Skill. Does more damage if target is equal level.

Final Fantasy Tactics
Used by Goblin type enemies.

Final Fantasy Tactics Advance
Blue Magic. random based on user's WAttack.