Complex sentence: Some are based on real-life arms, such as the shotgun, bazooka, and hand grenade; others are rather fanciful and cartoonish, such as the sheep, which serves as a mobile explosive, and the skunk, which releases poisonous gas.
Split into simpler sentences: Some are based on real-life arms, such as the shotgun, bazooka, and hand grenade. Others are more fanciful and cartoonish, such as the sheep, which serves as a mobile explosive, or the skunk, which releases poisonous gas.