diff --git a/setup.cfg b/setup.cfg
index 709d0b2..ed581d1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -34,3 +34,4 @@ sopel.plugins =
     spicebot_command_upper = spicebot_command_upper
     spicebot_command_echo = spicebot_command_echo
     spicebot_command_spongemock = spicebot_command_spongemock
+    spicebot_command_leetspeak = spicebot_command_leetspeak
diff --git a/spicebot_command_leetspeak/__init__.py b/spicebot_command_leetspeak/__init__.py
new file mode 100644
index 0000000..45866e0
--- /dev/null
+++ b/spicebot_command_leetspeak/__init__.py
@@ -0,0 +1,54 @@
+
+import random
+
+from sopel import plugin
+
+from sopel_SpiceBot_Core_Prerun import prerun
+
+
+@prerun()
+@plugin.command('spongemock', 'smock')
+def upper(bot, trigger, comrun):
+    comrun.say(leet_convert(comrun.command["trigger_str"]))
+
+
+def leet_convert(message):
+    message = message.strip()
+
+    char_map = {
+        "a": ["4", "@", "/-\\", "^"],
+        "b": ["I3", "8", "13", "|3"],
+        "c": ["[", "{", "<", "("],
+        "d": [")", "|)", "[)", "|>"],
+        "e": ["3", "[-"],
+        "f": ["|=", "ph", "|#", "/="],
+        "g": ["&", "6", "(_+]", "9", "C-", "gee"],
+        "h": ["#", "/-/", "[-]", "]-[", ")-(", "(-)", ":-:", "|-|", "}{"],
+        "i": ["1", "[]", "!", "|", "eye", "3y3", "]["],
+        "j": [",_|", "_|", "._|", "._]", ",_]", "]"],
+        "k": [">|", "|<", "/<", "1<", "|c", "|(", "|{"],
+        "l": ["1", "7", "|_", "|"],
+        "m": ["/\\/\\", "/V\\", "JVI", "[V]", "[]V[]", "|\\/|", "^^"],
+        "n": ["^/", "|\\|", "/\\/", "[\]", "<\\>", "{\\}", "|V", "/V"],
+        "o": ["0", "Q", "()", "oh", "[]"],
+        "p": ["|*", "|o", "?", "|^", "[]D"],
+        "q": ["(_,)", "()_", "2", "O_"],
+        "r": ["12", "|`", "|~", "|?", "/2", "|^", "Iz", "|9"],
+        "s": ["$", "5", "z", "ehs", "es"],
+        "t": ["7", "+", "-|-", "']['", '"|"', "~|~"],
+        "u": ["|_|", "(_)", "V", "L|"],
+        "v": ["\\/", "|/", "\\|"],
+        "w": ["\\/\\/", "VV", "\\N", "'//", "\\\\'", "\\^/", "\\X/"],
+        "x": ["><", ">|<", "}{", "ecks"],
+        "y": ["j", "`/", "\\|/", "\\//"],
+        "z": ["2", "7_", "-/_", "%", ">_", "~/_", "-\_", "-|_"],
+    }
+    leetspeak = ""
+    for char in message:
+        if char.lower() in char_map and random.random() <= 0.70:  # 70% convert
+            possible_replacements = char_map[char.lower()]
+            leet_replacement = random.choice(possible_replacements)
+            leetspeak = leetspeak + leet_replacement
+        else:
+            leetspeak = leetspeak + char
+    return leetspeak