Here are a few that came to me when I read about a Haiku contest about D&D

I went with all the suggestions then added ones for each class. Hope you like them.
-------MY ENTRY-------------------
Buffaloes Roll Dice.
Pesky Thief Has Died Again.
D.M., He is God.
--------------------------------------
Sing Bungo Sing Songs
Your Enemies Flee in Fear
As Does Your Party.
Streak Through The Hot Air
Lightning Bounces, Flame Expands.
Toasty Adventure.
Hello, Little Friend.
The town needs our help today?
The Orcs Paid Me More.
Dire Boar, My True Friend.
Pierce My Foe's Tender Gullet.
Great Delicacy.
Most Powerful Mage,
Kill your Enemies From Afar.
Fireball In the Hole.
Slice, Dice, and Puree.
Experienced in Killing.
High Level Fighter.
Valued Golden Coins
Sifting through Open fingers.
Spot Check Has Failed.
Healing Hand of Gods,
Bloody, Battered Comrades Here.
Where is the Bandage?
Holy Light Striking.
Woe to the evil minion.
Paladin's Smiting.
Wilderness Creature
Fighting to survive the Wild.
Furry boots and Cloak.
Woodland Animals
Friends they are to my presence.
Nature's Chosen one.
Follow My Trails Now
The Forest Welcomes Us All
Tracker for Hire.
Why Study Magic?
Arcane Arts Are My Mind's Whim.
Sorcerer's Mantra.