A video of a Chihuahua single dad named Tommy and his two sons, Ted and Twix, has gone viral on TikTok. Tommy lovingly cares for his sons and shares their story with viewers. The video has received a lot of love and support from internet users. Chihuahuas are known for their playful nature and make great companions. Despite their small size, they have a big personality and can live up to 15 years.