"He has nothing to offer," said Helen Hannah, a colourfully dressed member of the Raging Grannies.
"He stands for modes of torture, modes of warfare and modes of lying that don't represent the way most Americans and most Canadians want to face the world -- we don't believe in those things."
Andre Gravel said Bush was a bad president who was incompetent on many levels, including his handling of the environment, the wars in the Middle East and the economy.
The conflicts Bush waged in Afghanistan and Iraq have destabilized world peace, he added.
"I am in favour of (his) right to speak," Gravel said.
"But we have the right to protest against him.
"Everything he did was negative."
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