clever vs cleverer

Some examples from the web:

• Not so clever now, Doctor.
• This celebration already proves clever suggestion.
• Don't get clever with me.
• Broken Irish is better than clever English.
• It's quite clever, actually.
• I thought that was your clever way of asking if I was married.
• The Warehouse is always so clever.
• A small but exclusive collection of humorous and clever ties.
• Just so subtle and clever and quick-changing.
• That's both clever and deeply unsettling.
• But very clever people can hear dreams.
• I got a million clever ideas.
• Appoint someone both clever and trustworthy.
• The naqahdah generator plan was very clever.
• A clever trick when pressed for time.
• Aquarists attach great importance to clever details and quality.
• Humanity walked blindly into their very clever plans.
• And the clever fellow rushed to bushes.
• I see... very clever, Captain.
• You're too clever and may not see any profits.

Some examples from the web:

• Remember... there's always something cleverer than yourself.
• You're cleverer than I am, Alex.
• All her life, bitter towards people that were cleverer than her.
• You are all much cleverer than I am.
• But I'm cleverer than you.
• He thought he was cleverer than the system.
• She is much cleverer than she looks.
• Posh people are much better and cleverer than common people.
• And besides, it's a little bit cleverer.
• ~ Because you're cleverer than he is.
• And a cleverer man would sing fewer songs.
• Evolution is cleverer than you are.
• Was this machine cleverer than a human?
• I'm cleverer than I look.
• Meanwhile, Neil was teaching animals only slightly cleverer than him that there's more to life than fish.
• That oil from the kitchens, it works as a conducting agent, makes the kids cleverer.
• Fear can make you faster and cleverer and stronger.
• I bet you're cleverer than most of the maths professors here.
• They need someone who's stronger and braver and cleverer than them.
• He was actually much cleverer and funnier than I was.