Character: mr. hippo (frickbear's)
Mr. Hippo is an antagonist of the Five Nights at Frickbear's series, with his latest appearance in Five Nights at Frickbear's 3.
In Five Nights at Frickbear's 3, he is one of the salvageable animatronics at Fazbear's Frights. Unlike other vent animatronics, Mr. Hippo has much subtler audio cue. If he gets into the office, he will play a long audio disturbance.
He is the Five Nights At Frickbear's version of Mr. Hippo from the Five Nights At Freddy's series.
Links:
-FNaF Fan Game Wiki Page) (Source)