Who is this
Teresh is mentioned in Esther 2:21 and 6:2 as one of two eunuchs who served at the door of King Ahasuerus' palace. Along with Bigthan, Teresh plotted to assassinate the king for unknown reasons. However, their plot was discovered by Mordecai, who informed Queen Esther. The matter was investigated and found to be true, leading to the execution of Bigthan and Teresh on the gallows. Mordecai's deed was recorded in the king's chronicles.
Where the Bible names it
2 chapters, 2 verses