Wyatt Matthew Halliwell is a Whitelighter-Witch and the first born child of Piper Halliwell and Leo Wyatt. Wyatt is a husband of Elena Montgomery and a father of Lestat, Patricia, Paul and Perla Halliwell.
Wyatt is the first male witch into his family. Due to prophecy about Twice-Blessed child, Wyatt was going to be one of the most powerful witches on the Earth. After his childhood and fully getting into his powers, Wyatt grew into an extremely powerful witch. However, sometime during his childhood, Angel of Destiny had erased his status due to a great need, and forming the new Power of Three with his brother and sister.
Despite his intelligence and an upper-level rank, Wyatt died in a battle with The Source of all Evil, after his powers got unexpectedly stripped by a powerful demonic sorcerer Khan.
Wyatt, as prophesied, was going to be one of the most powerful witches to ever walk the Earth. The prophecy was showing to be true, since Wyatt, even in Piper's womb, started manifesting some of his powers. Wyatt also passed this ability on his children, as well.
Just after numerous evil beings started their attacks while Piper's pregnancy, Piper discovered Wyatt's incredible power heritage. Most likely due to Piper's busy life as a powerful force, Piper started to doubt in her future motherhood, which also caused her to get overwhelmed by fears. However, after the encounter with a skeletal being and her mother's help, she overcame her fears and doubts.
Wyatt's gender remained unknown until the end of Piper's pregnancy. However, he was believed to be a daughter, due to Piper's trip to future in which she met her daughter Melinda. By his birth, Wyatt broke the steady rules of female witches in Warren line, being the first male witch in his family tree.
Wyatt was born in specific astrological circumstances, known as Aurora Borealis, which made him an extremely powerful witch with incredible powers.