Pretty, pretty please flist -- unbiased opinions from those who do NOT watch The Big Bang Theory -- based on this photo who do you think the show's OTP is?

ETA: Would help if I provided names --
Guy with the pornstache - Leonard (I love ya, but no to the facial hair!)
Guy with the cheesy grin standing in front of Leonard - Howard
Girl - Penny
Guy standing behind her with red bowtie - Sheldon
Indian sitting down with the pearly whites - Raj
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