Voltilamm

Gold: If static elec­ tricity builds in its body, its fleece doubles in volume. Touching it will shock you.

Silver +2: Its fleece grows continually. In the summer, the fleece is fully shed, but it grows back in a week.

Crystal / Y: It stores lots of air in its soft fur, allowing it to stay cool in summer and warm in winter.

Ruby / Sapphire: MAREEP’s fluffy coat of wool rubs together and builds a static charge. The more static electricity is charged, the more brightly the lightbulb at the tip of its tail grows.

Emerald: Its fluffy wool rubs together and builds a static charge. The more energy is charged, the more brightly the lightbulb at the tip of its tail glows.

LeafGreen / HeartGold: If static electricity builds in its body, its fleece doubles in volume. Touching it will shock you.

Diamond +5: Its fluffy coat swells to double when static electricity builds up. Touching it can be shocking.

Black 2 / White 2: When cold weather increases static electricity, its wool doubles in size and the tip of its tail glows slightly.

Omega Ruby / Alpha Sapphire: Mareep’s fluffy coat of wool rubs together and builds a static charge. The more static electricity is charged, the more brightly the lightbulb at the tip of its tail glows.

Ultra Sun: Clothing made from Mareep’s fleece is easily charged with static electricity, so a special process is used on it.

Ultra Moon: Rubbing its fleece generates electricity. You’ll want to pet it because it’s cute, but if you use your bare hand, you’ll get a painful shock.