Clem arrives at the vault eager and happy to help with anything that needs doing. He mentions his mother often and is not willing to blame her for anything. He is not very bright and is liable to blame himself for certain experiments "going wrong" until being reassured he did them just fine.
Interactions with the player character
|This character is essential. Essential characters cannot be killed.|
|This character is involved in quests.|
- (* only if given to him)
- Codsworth, Curie, Nick Valentine and Piper Wright dislike the Sole Survivor calling Clem an idiot during A Model Citizen, while Cait, MacCready, Strong and X6-88 like it.
- Curie, Paladin Danse and Deacon will like it when the player character says "I like him" to Clem when doing his interview during A Model Citizen.
- Once Lady Luck is completed, Clem can be directed to another settlement.
When given a vault jumpsuit to wear, he may not equip it.[verified]