diff --git a/rogueviz/ru/classes.cpp b/rogueviz/ru/classes.cpp
index 98d543cf..6e74fce7 100644
--- a/rogueviz/ru/classes.cpp
+++ b/rogueviz/ru/classes.cpp
@@ -303,6 +303,7 @@ struct man : public entity {
   int attack_facing;
   int attack_when;
   int on_floor_when;
+  entity *morphed = nullptr;
 
   int last_action;
 
@@ -319,9 +320,18 @@ struct man : public entity {
     next.reset(); current.reset();
     postfix();
     }
-  xy siz() override { return {12, 12}; }
-  string glyph() override { return "@"; }
-  color_t color() override { return 0xFF8080FF; }
+  xy siz() override {
+    if(morphed) return morphed->siz();
+    return {12, 12};
+    }
+  string glyph() override {
+    if(morphed) return morphed->glyph();
+    return "@";
+    }
+  color_t color() override {
+    if(morphed) return morphed->color();
+    return 0xFF8080FF;
+    }
   void act() override; 
   void draw() override;
   virtual bool hurt_by_spikes() { return true; }
@@ -446,6 +456,33 @@ struct vtrap : public entity {
   string get_help() override { return "A deadly but invisible trap."; }
   };
 
+struct cat_color {
+  string name;
+  color_t col;
+  };
+
+struct cat : public enemy {
+  cat_color col;
+  cat();
+  xy siz() override { return {5, 5}; }
+  string glyph() override { return "f"; }
+  color_t color() override { return col.col; }
+  string get_name() override { return col.name + " cat"; }
+  string get_help() override { return "Do not fight cats!"; }
+  int base_xp() { return 10; }
+  int max_hp() { return 20; }
+  };
+
+struct capybara : public enemy {
+  xy siz() override { return {6, 6}; }
+  string glyph() override { return "C"; }
+  color_t color() override { return 0xC08040FF; }
+  string get_name() override { return "capybara"; }
+  string get_help() override { return "Do not fight capybaras!"; }
+  int base_xp() { return 15; }
+  int max_hp() { return 40; }
+  };
+
 struct boar : public enemy {
   xy siz() override { return {18, 18}; }
   string glyph() override { return "B"; }
diff --git a/rogueviz/ru/entity.cpp b/rogueviz/ru/entity.cpp
index db87a278..61e05714 100644
--- a/rogueviz/ru/entity.cpp
+++ b/rogueviz/ru/entity.cpp
@@ -658,4 +658,14 @@ void bat::attacked(int dmg) {
   if(where.y > m.where.y) vel.y = +abs(vel.y);
   }
 
+vector<cat_color> cat_colors = {
+  cat_color{"red", 0xC04040FF},
+  cat_color{"black", 0x505060FF},
+  cat_color{"white", 0xF0F0F0FF}
+  };
+
+cat::cat() {
+  col = hrand_elt(cat_colors);
+  }
+
 }
diff --git a/rogueviz/ru/randeff.cpp b/rogueviz/ru/randeff.cpp
index 64a1dbfc..75a813a7 100644
--- a/rogueviz/ru/randeff.cpp
+++ b/rogueviz/ru/randeff.cpp
@@ -87,9 +87,35 @@ randeff fire_weapon("Fiery Weapon", "Attacks with your [weapon] set things on fi
     m.next.mods.emplace_back(d.re->which_weapon, mod::burning, 2 * m.current.stats[stat::wis] + 1e-6);
   });
 
+cat_color morph_cat_color;
+
 // morph powers
-randeff morph_cat("Cat", "Turns you into a cat.", "You turn into a cat!", [] (data &d) { });
-randeff morph_capy("Capybara", "Turns you into a capybara.", "You turn into a capybara!", [] (data &d) { });
+randeff morph_cat("Cat", "Turns you into a cat.", "You turn into a cat!", [] (data &d) {
+  if(d.mode == rev::start || (d.mode == rev::active && d.keystate == 1) || (d.mode == rev::stop && m.morphed)) {
+    if(m.morphed) {
+      delete(m.morphed), m.morphed = nullptr;
+      addMessage("You morph back into a human.");
+      }
+    else {
+      auto mcat = new cat;
+      mcat->col = morph_cat_color;
+      m.morphed = mcat;
+      addMessage("You morph into a " + m.morphed->get_name() + "!");
+      }
+    }
+  });
+randeff morph_capy("Capybara", "Turns you into a capybara.", "You turn into a capybara!", [] (data &d) {
+  if(d.mode == rev::start || (d.mode == rev::active && d.keystate == 1) || (d.mode == rev::stop && m.morphed)) {
+    if(m.morphed) {
+      delete(m.morphed), m.morphed = nullptr;
+      addMessage("You morph back into a human.");
+      }
+    else {
+      m.morphed = new capybara;
+      addMessage("You morph into a lovely capybara!");
+      }
+    }
+  });
 
 vector<power*> all_weapons() {
   vector<power*> res;
@@ -115,6 +141,7 @@ void assign_potion_powers() {
   find_power("reach").randeffs = relist{ pick(&jump_double, &jump_high, &jump_bubble, &jump_light), random_powers[3] };
   find_power("fire").randeffs = relist{ pick(&fire_spit, &fire_weapon), random_powers[4] };
   find_power("mystery").randeffs = relist{ random_powers[5], random_powers[6], random_powers[7] };
+  morph_cat_color = hrand_elt(cat_colors);
   }
 
 }
diff --git a/rogueviz/ru/render.cpp b/rogueviz/ru/render.cpp
index 9c8e4538..902e1d1b 100644
--- a/rogueviz/ru/render.cpp
+++ b/rogueviz/ru/render.cpp
@@ -209,6 +209,8 @@ void init_scales() {
   letterscales[')'] = euscale(2.5, 1);
   letterscales['('] = euscale(2.5, 1);
   letterscales['F'] = euscale(2.1, 1.3);
+  letterscales['C'] = euscale(1.8, 1.3);
+  letterscales['f'] = euscale(2.5, 1.3);
   }
 
 void asciiletter(ld minx, ld miny, ld maxx, ld maxy, const string& ch, color_t col) {