Spyder and Harris consider themselves as best friends, in spite of them being complete opposites.
- Harris yelled Spyder's name and ran to him when he gets hurt.
- Spyder tried to talk Harris into coming with them to reveal themselves.
- Spyder was upset when he thought Harris was dead.
- Harris felt guilty after yelling at Spyder.
- Harris apologized to Spyder and told him not to worry about it.
- They have polar opposite roles on the Mech-X4 team. Spyder is in charge of weapons while Harris is in charge of defense.