Albert Barnes Commentary Judges 6:8

"that Jehovah sent a prophet unto the children of Israel: and he said unto them, Thus saith Jehovah, the God of Israel, I brought you up from Egypt, and brought you forth out of the house of bondage;" — Judges 6:8 (ASV)

A prophet - His name is not given. (Compare 1 Kings 13:0.) This message is somewhat similar to that of the Angel (Judges 2:1–3). The reference to Exodus 20:2 is plain, and supposes the people to whom the prophet addresses these words to be familiar with the facts recorded in that text.