<P> When Annie's pet lizard "Mr. McGiggles" goes missing during a Super Bowl Party, she accidentally steps on him, killing him . </P> <P> Toby Damon, portrayed by Chris Sullivan is Kate's fiancé . Toby was born in Palm Springs, California . Toby begins dating Kate after they meet at a weight - loss support group . Toby is confident with his own body although obese, and encourages Kate to have better self - esteem . He was previously married to a woman whom Kate views as beautiful and successful, but who treated him badly . Toby gained 90 pounds in the first year after his divorce . </P> <P> Refusing to take Kate's hesitance about the relationship lightly, Toby continually comes up with sweet gestures to win her over . In the beginning, he feels that he has to compete with Kevin for Kate's attention . Despite breaking his weight - loss goals, Toby decides dieting is not for him and goes off his diet, resulting in Kate breaking up with him . He surprises Kate by showing up at Randall's house for Christmas Eve, stating that he can live without pizza and junk food, but that he cannot live without her . On Christmas Eve, Toby collapses and ends up in the hospital with an arrhythmia . </P> <P> After Toby's heart surgery, he and Kate decide to get engaged . Kate becomes pregnant with Toby's child, but she miscarries; afterwards, despite an initial struggle in their relationship, Toby comes through for her . Kate, around the 20th anniversary of Jack's death, tells Toby he strengthens her and Jack would have loved him . </P>

Who plays beths boss on this is us