Jadon

Jadon is a Hebrew given name meaning "God has heard," "thankful" (according to Strong's Concordance), "a judge," or "whom God has judged"  and the name of two characters in Biblical history.

Jadon the Meronothite
Jadon the Meronothite was one of the builders of the wall of Jerusalem in the Book of Nehemiah in the Hebrew Bible.

The prophet Jadon
According to Flavius Josephus, Jadon was the name of a minor prophet referred to in his Antiquities of the Jews VIII,8,5 who is thought to have been the man of God mentioned in. In the Lives of the Prophets, he is called Joad. Rabbinic tradition identifies him with Iddo.