But I finally got him with his Tangram, which he's quite good at.
He started putting the pieces that matched the shapes.
There was a victorious cackle:
And then he proceeded to make the pieces into the shape of a "P":
Another game he loves is hiding. "Kalyan engEy?" I must call out to the sofa and the suspicious-looking pillows. See...they are "armed"!
Then our hero shows himself, and I have to yell, "dOkkAnEy!" (abbreviation of "idho irukkAnEy" which means, "HERE he is!"
He's an elf with personality plus!