BRISTOL — Shakespeare’s “Comedy of Errors” tells the tale of identical twins, both named Antipholus, and their respective identical twin slaves, both named Dromio. Antipholus of Syracuse and his slave Dromio of Syracuse travel to the ancient city of Ephesus to find their long lost brothers, from whom they were separated at birth. When the two sets of twins are reunited, it sparks a comic series of arrests and false accusations brought about by the constant mistaking of one brother for another.