Lyndon Peel is a sophisticated psychiatrist who is happily oblivious to his own issues.
Happily oblivious of popular culture, he listens to music from the 16th to 18th centuries and reads only nonfiction.
The children seemed happily oblivious to the controversy swirling around the bricks they were clambering over.
The German military personnel at Holloman seem happily oblivious to those who object to their presence.
The whole thing is on the verge of collapse, but the personage perched on the lintel, glass in hand, remains happily oblivious.
He seemed happily oblivious of everything.
"I'll buy you a present, madam," he roared, happily oblivious of the staring eyes of the other customers.
All the icky smells are still there, but you are happily oblivious.
Steered by an invisible operator, it zoomed around the gardens, happily oblivious to the crowds and the ever-present heat.