My friend's name is Atom... Or is it Adam? Hmmm, semantics... As far as atoms are concerned... There are also sub-atomic particles such as neutrons, electrons, protons, fermions, leptons, muons, tau's, neutrinos, positrons, quarks, baryons, mesons, hadrons, gluons, bosons, and more... There are also another list of theoretical particles that have yet to be confirmed experimentally and I'm not going to list them all because it would take too much of my time to type them all up here.
Well there you have it, I can attest that we all have some rather diverse friends that make up all of us including "my brothers from another mother" aptly named: "Atoms"
Respectfully (Most of the time!),
Henry