Throughout ONE Investigations, Ava is usually not seen, only identified by her voice. Her silhouette was seen in "ONE Investigations: Parker Robins", which depicts her as a tall, rectangular figure. Her species remained unkown until "ONE Investigations: Owen Thompson', where she was revealed to being a black-and-white audio recorder, with speakers on the top sides, a black screen that displays her face and a stopwatch, and numerous buttons below.