Octo

 is an enemy in, encountered at the Bend of Time. Due to their mysteriousness, and the close promixity of their location name to End of Time from, it is likely that the Octos are intended to represent Gaspar, Guru of Time, and Spekkio, the Magic-teacher.

Etymology
Octo is the Latin prefix for "eight". It's most common usage in the English language appears in the word Octopus, whose eight-appendage anatomy resembles that of the Octo of.