Eli is a fire-breathing dragon, owned by Amy, when she got ahold of the loop in the episode "Monday Circles".
Biography[]
In "Monday Circles", Amy used Eli to burn down the school.
In parts 1 and 2 of "A Balanced Breakfast", Eli came back, via glitch, to burn the school down, in the same fashion it did, when Amy used it in "Monday Circles".