Blue new power rangers

You're referring to the Blue Ranger from the Power Rangers franchise!

In the original Mighty Morphin Power Rangers series, the Blue Ranger was Billy Cranston, played by actor David Yost. Billy was a genius and the team's resident tech expert. He was also one of the original five Power Rangers, along with Jason Lee Scott (Red Ranger), Zack Taylor (Black Ranger), Trini Kwan (Yellow Ranger), and Kimberly Ann Hart (Pink Ranger).

In later seasons, the Blue Ranger was replaced by other characters, including:

Each Blue Ranger has brought their unique personality and skills to the team, and they've all played an important role in the Power Rangers franchise!