Inviz

Inviz (インビージュ) is a green floating cannon enemy from Mega Man ZX Advent. These cannons tend to make themselves invisible when it detects an intruder. However, they can be spotted by using A-Trans to transform into Siarnaq. In order not to invade people's privacy, these cannons have a function known as the Gentleman's Lock (ジェントルマン・ロック).

Etymology
Inviz's name is a different take on "Invisible"