4. Tasha Yar (Star Trek: The Next Generation)
Here's a character who often beams into the list of least-loved characters in the Star Trek universe. Why, you ask? Let's take a journey through the quirks and issues that make Tasha a bit of an annoyance. First off, Tasha's role as the Chief Security Officer aboard the USS Enterprise should have been her ticket to fandom fame. Instead, her character often fizzled rather than sizzled. In a galaxy brimming with bizarre aliens, mind-bending dilemmas, and time-warping adventures, there's Tasha, often delivering her lines with the enthusiasm of someone reading a microwave manual. Not exactly the stuff of sci-fi legends.
Then there's the curious case of her backstory and character development, or should we say, the lack thereof. Tasha hails from a planet so grim, it makes a rainy Monday seem like a day at Disney World. But beyond this, we get about as much depth as a kiddie pool. Her potential for a compelling, layered persona was as vast as space itself, yet it was explored less than a broom closet on the Enterprise. Add to this her abrupt and somewhat underwhelming exit from the show, and you've got a recipe for a character who boldly went where no one really wanted to go: the bottom of the popularity charts.
Starfleet commendations for effort, but when it comes to winning over Trekkies' hearts, Tasha Yar's phasers were set to "meh".