All "Photon" monsters are LIGHT and as such receive benefits from LIGHT support cards such as "Honest".
"Photon" monsters are unique in that they often have effects that play with the Rule of 2000– many of the archetype's low-level monsters feature 2000+ ATK to make them viable sacrifices for "Galaxy-Eyes Photon Dragon", while also augmenting their abilities as beaters. However, because of their incongruously high ATK, low-Level Photons often come with restriction effects to balance out their power. For example, the effect of "Photon Crusher" is mimics early beatdown favorite "Goblin Attack Force", forcing it into Defense Position after every attack (its DEF is 0), while "Photon Thrasher" is a Semi-Nomi monster that can only attack if it is alone on the field. The TCG/OCG original Level 3 "Photon Sabre Tiger" loses 800 ATK if it's the only copy of itself on your side of the field, but sports 2000-point Original ATK score if more than one exists.
"Photon" monsters are generally difficult to defeat in battle (most notably "Galaxy-Eyes", which can never lose at one-on-one combat due to its effect, if not interrupted). However, the archetype focus most of its effort towards offensive plays, and lacks defensive capacity– featuring little to no protection against hostile card effects.