Check

Check is a command in the Mother series.

Outside of battle
The Check command is used to look at objects that can't be spoken to.

In Battle
The Check command is also a battle command in the prototype translation of and Mother 1+2. Using the check command in battle will tell you the enemy's Offense and Defense stats, as well as their weaknesses and resistance and a description of the enemy. In EarthBound this was replaced with Spy, and in Mother 3, it was replaced with Sniff.