I'll never give you the satisfaction

 By They Can Talk

Leaf globe

 By Dave Coverly

In and out all day

 By Dave Coverly

It's a mystery

 By Dave Coverly

Avant-guard dog

 By Dave Coverly

It took me forever to find this place

 By Ellis Rosen 

What's in a name

 By Asher Perlman

Man throwing sticks

 At the popular dog film, Man Throwing Sticks

Portrait

 By B Kliban 

Clap on, clap off, the clapper!

 By Mike Luckovich

I was struck by lighning twice, too!

By Gary Larson 

Backside driver

 By Mark Parisi

The passive-aggressive raven

 From Woozle & Taffy

Disappearing

By Dave Coverly 

Gesundheit

 By Dave Granlund

Salute

 

Cartoon by Dink (Chris Williams)

Anteaters

By Dave Whamond 

Brother Benedict

 I can't make out the signature.  If you know who drew this, let me know here.

[Update: It's Bill Whitehead.  Hat tip to Allan Girvan]

Warhead

 By Gary Larson

OMG! They're eating noses

 by Tim Whyatt