### Clue: Kent's transformation after mother, grandmother and daughter play (3,3,8)
### Answer: MAN AND SUPERMAN 
 ### Explanation: Definition: play
 SUPERMAN(what Clark Kent transforms into, viz. the DC comics superhero) **placed after**(after) [ MA(informal term for one's mother) + NAN(informal term for one's grandmother) + D(abbrev. for "daughter") ].
Defn: … by George Bernard Shaw.