Willow Brianna Olson was born on February 11, 1952 in St. Louis, Missouri.
She moved to New York after high school to attend drama classes at NYU and to pursue her dream career on Broadway.
Her faceclaim is Marilu Henner.
This GIF really sums up the chaotic energy that it bubbling beneath her, by the way.
More under the cut.
Ray and Willow meet following the events of Ghostbusters II.
Willow knows Cathleen because they did a show together before the latter got pregnant and had to take leave.
Cathleen introduced the two of them when Willow came to meet baby Marie.
You know that scene at the beginning of HTTYD when Hiccup just looks at Astrid with the definition of heart eyes? That's what Ray is like from the moment Willow walks into his life.
Cathleen, being who she is, immediately sets the two of them up on a date.
It turns out that, in addition to her love of theater, Willow is very much fixated on the paranormal and supernatural like Ray.
Their courtship is very much a whirlwind, and they're engaged after six months of dating.
Cathleen is able to plan their wedding in three months.
Like Winston and Tiyah's wedding, Ray and Willow's wedding is interrupted by New York being thrown into paranormal distress AGAIN, but it is thankfully resolved (but not before they lose the reception hall and move the reception to the firehouse).
A couple of years later, Willow becomes pregnant.
Ray is just over the moon excited, and immediately throws himself to the role of being a father.
The baby is a girl that they name Addison Eleanor Stantz.
Sadly, in the months following Addison's birth came Egon and Cathleen's falling out with the Ghostbusters.
It got to the point that Willow and Cathleen had a physical altercation when Cathleen accused Willow of not believing Egon about Gozer's return.
Both Ray and Willow try to help each other heal after their friends' betrayal, and eventually welcome two more daughters-- Natalie Louise and an adoptive daughter, Grace Olivia.
Addison picks up on her parents' resentment, and holds a grudge of her own towards the Spenglers.
However, Natalie shows great interest in her father's past role as a Ghostbuster.
Following the events of Afterlife, while Willow is willing to admit her mistake in not believing Egon, she and Ray still hold resentment towards Cathleen for leaving them behind.