Radarroid

Radarroid (レーダーロイド) is a monitoring Mechaniloid enemy from Mega Man X7 that appears in the opening stage. When intruders are detected by them, they attack by ramming into them. They also have a weak barrier for protection, which can withstand only one attack.

Trivia
Radarroid is called Radardroid in Axl's explanation and Radardroyd in his A-Trans description.