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.
I see this panel with holes in it everyday when I lock my bike up at work and today I drew what pops into my head :)