Who is tucks old horse?

Tuck's old horse is named "Jesse." In the novel "Tuck Everlasting" by Natalie Babbitt, Jesse is part of the Tuck family, who are immortal due to drinking from a magical spring. The horse symbolizes the passage of time and the connection to a more natural, unchanging life, contrasting with the human desire for immortality. Jesse's bond with the Tucks represents their deep-rooted attachment to their way of life and the natural world.