Well, Thranduil in fanfiction about baby Legolas is usually depicted as a regal and vigilant father. He is the king, but when it comes to his son, his softer side shows. He is watchful, making sure no harm comes to baby Legolas. As for baby Legolas, he is often shown as a precious and inquisitive little elf. He might be a bit mischievous at times, getting into small scrapes that Thranduil then has to rescue him from. His character is a source of light and hope in the story, and his relationship with Thranduil is the heart of the fanfiction.
In such fanfiction, Thranduil is commonly presented as a proud father. His every action towards baby Legolas is laced with his deep love and concern for his son's well - being. He is a figure of authority and elegance. Baby Legolas is typically seen as a bundle of joy. He is full of energy, constantly looking around with wide - eyed wonder, and his actions often lead to endearing or sometimes challenging situations for Thranduil to handle.
Thranduil is often portrayed as a very protective father. He is strict but also loving towards baby Legolas. He is shown as a powerful and wise elf king who will do anything to keep his son safe. Baby Legolas, on the other hand, is usually depicted as innocent and curious. He has a natural charm and is eager to learn about the world around him.