Favorite Characters in Sci-fi & Fantasy

What aspect of writing do you struggle with the most? When I first started out trying to string sentences together, you could say I wrestled with the whole kit and caboodle—even if I didn't realize it. But what I grappled with the most in those early days was characterization, unless cardboard characters without discernible emotions are your jam! So I thought I'd take a moment to pontificate on…