Nicholas - "Now, remember, Adam - if Eve doesn't respond to ________, slap her around and then threaten to destroy her because that will always get a woman's attention!!"
(And before anyone jumps on me, sadly, that advise completely fits with Nicholas' misogynistic approach to women.)
"When Barnabas howled like a wolf during the seance Professor Stokes knew it could mean only one thing, that Barnabas wasn't being possessed by a spirit - he had simply skipped lunch and was hungry!!"
"... No one's ever told him that, with the exception of some bagpipe bands, wearing an Inverness cape as a fashion statement went out almost a century ago before!!"
(How do you keep pulling out these people and characters that most others have completely forgotten about?! You must have a fantastic memory for trivia!!)