Halloween Decoration Gnomes ghosts and witches to pumpkins and bats gnomes https://decognomes.com/collect....ions/halloween-gnome gnomes can take on a variety of different forms, from ghosts and witches to pumpkins and bats. Some Halloween gnomes are designed to be cute and whimsical, while others are more creepy and frightening. Halloween gnomes are often used as decorations for outdoor spaces such as gardens or front porches, as well as indoor spaces such as living rooms or mantels.