Mnemonic comic for 呈

chéng = ch + (e)ng2: to present to a superior / memorial / petition / to present (a certain appearance) / to assume (a shape) / to be (a certain color)

Charlie Chaplin (ch) gives a presentation (呈) for Martin Luther King (王) in the engine's kitchen ((e)ng2). He's been talking over one hour about his favorite mandarin (口).