Firefly

Fireflies are enemies in Chapter 1 of Mother 3. They appear to be yellow flies with red eyes. They were used by the Pigmasks to set Sunshine Forest on fire. In battle, Fireflies attack the party by breathing fire at them. A tougher variant of this enemy is the Pyrefly.

Battle Memory description
"This monster is a small bug fused with a cheap lighter. It's doomed to a one-time use."