diff --git a/cscsysbot.go b/cscsysbot.go
index 0ccf25e..e970c31 100644
--- a/cscsysbot.go
+++ b/cscsysbot.go
@@ -15,6 +15,7 @@ import (
    _ "git.uwaterloo.ca/csc/cscsysbot/plugins/club"
    _ "git.uwaterloo.ca/csc/cscsysbot/plugins/ping"
    _ "git.uwaterloo.ca/csc/cscsysbot/plugins/greetings"
+   _ "git.uwaterloo.ca/csc/cscsysbot/plugins/personality"
 
    // Backgrounds tasks
    _ "git.uwaterloo.ca/csc/cscsysbot/plugins/background"
diff --git a/plugins/personality/personality.go b/plugins/personality/personality.go
new file mode 100644
index 0000000..f980848
--- /dev/null
+++ b/plugins/personality/personality.go
@@ -0,0 +1,66 @@
+package personality
+
+import (
+   "fmt"
+   "math/rand"
+   "regexp"
+
+   "github.com/go-chat-bot/bot"
+)
+
+const (
+   botPattern = "(?i)cscsysbot"
+   thanksPattern = "(?i)(thanks?|thank you)"
+   negativePattern = "(?i)(you suck|u suck|you're (wrong|incorrect)|ur (wrong|incorrect)|that'?s (wrong|incorrect))"
+   whyPattern = "(?i)why"
+)
+
+var (
+   botRe = regexp.MustCompile(botPattern)
+
+   thanksRe = regexp.MustCompile(thanksPattern)
+   thanksResponses = []string{
+      "You're welcome %s",
+      "It's my pleasure %s",
+      "I'm here to serve you %s",
+      "No problem %s",
+      "Anytime %s",
+   }
+
+   negativeRe = regexp.MustCompile(negativePattern)
+   negativeResponses = []string{
+      "I'm sorry to dissapoint you %s",
+      "Sorry %s",
+      "I promise I'll do better next time %s",
+   }
+
+   whyRe = regexp.MustCompile(whyPattern)
+   whyResponses = []string{
+      "That is a good question %s",
+      "I don't know why %s",
+      "I'm unsure as well %s",
+   }
+)
+
+func responseTemplate(re *regexp.Regexp, responses []string) (func(*bot.PassiveCmd) (string, error)) {
+   return func(command *bot.PassiveCmd) (string, error) {
+      if botRe.MatchString(command.Raw) && re.MatchString(command.Raw) {
+         return fmt.Sprintf(responses[rand.Intn(len(responses))], command.User.Nick), nil
+      }
+      return "", nil
+   }
+}
+
+func init() {
+   bot.RegisterPassiveCommand(
+      "personality_thanks",
+      responseTemplate(thanksRe, thanksResponses))
+
+   bot.RegisterPassiveCommand(
+      "personality_negative",
+      responseTemplate(negativeRe, negativeResponses))
+
+   bot.RegisterPassiveCommand(
+      "personality_why",
+      responseTemplate(whyRe, whyResponses))
+}