Pareidolia
Pareidolia (/ˌpærɪˈdoʊliə, ˌpɛər-/;[1] also US: /ˌpɛəraɪ-/)[2] is the tendency for perception to impose a meaningful interpretation on a nebulous stimulus, usually visual, so that one detects an object, pattern, or meaning where there is none.
―Wikipedia