Anvil

Anvil is a tool (in this show) Used to kill Stick Figures, Or Help Them On A Quest.

1st Apperance
Anvil's First Apperance Was In The Second Episode Of Season 1, The String

Second Apperance
The Anvil Is Expected To Be In Season 2.

Trivia

 * From The Picture, It Looks Like It is 20 Pounds.