This is my guess(es) for an Obama icon in Trudeau's Doonesbury.

[Stanchetalarooni]

Change.
Some coins...afew pennies, a nickel, a dime, and a quarter when Obama is referred to addressing small change.
Add a few bills for bigger change.
And a baby with a dirty diaper when he needs to act swiftly to deal with, well, you know, a dumper full of poo!

On edit: Add a television remote control when the national conversation needs to change.

[ogneopasno]

1. Nope. He'll actually make him a human being.

[Stanchetalarooni]

2. All those other shmoes were human beings.

We're talking about a comic strip here.

[ogneopasno]

3. I'm aware of that, thanks. Frankly, I think the shtick is tired and he should go back to drawing

the presidents like he used to. Or at least not making them an icon. Or, you know, actually drawing the strip himself.