All DnD characters are weird by definition. They are generally magic-weilding mercenaries in worlds that are populated almost exclusively with people who are not. They are the types of loons who hear, 'There are monsters in that cave that will paralyse you, bind you, fill you with digestive juices, and then leave you to die slowly over the next few days, but there MIGHT be something of value in there, though there's no reason to assume there is,' and decide to run in so fast they forget their pants.