John Lennon ONO was a kinda of a douche, yes. John Lennon sans Ono was the funny man of the group, the one constantly making jokes, playing pranks and just injecting everyone with love for the craft of music.
And then Yoko came and sucked all his humor through, presumably, his urethra. Hell, she sucked so much the man went from looking like this:
to this:
In less than 6 years.