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(NEWSER) – "Horrendous," "barbaric," and "depraved" are just a few of the words being used to describe an image posted on Twitter and in the Australian of an Aussie terrorist's young son appearing to tightly and cheerfully grasp the head of a decapitated Syrian soldier. "That's my boy!" is what Khaled Sharrouf posted underneath the gruesome pic on his feed, reports the AP. (Click on theAustralian's link to see an edited version of the photo.) Referring to the Islamic State, or ISIS, Prime Minister Tony Abbott said the photo shows "the kind of hideous atrocities that this group is capable of."

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