Probably the most distinctive feature seen in common on all tabby cats is the "M" on their foreheads.
"Sorry, You Just Missed Them. They Left This Morning, Something About Egypt..."
"It's Cool. I'll Take the Top Bunk."
"I Just Wanted To Get A Closer Look At the Baby Jesus"
"And the Three Wise Men Brought Gold, Frankincense, and Purr."
"Sorry. Your Name Does Not Appear to Be on the Guest List."
"Seriously? I'm the Only One Who Finds Something Fishy About Skinny Gnome Santa?"