diff --git a/src/characters.cc b/src/characters.cc
index 34b1592..50b10aa 100644
--- a/src/characters.cc
+++ b/src/characters.cc
@@ -33,7 +33,7 @@ int character::get_gold() const {
 }
 
 float character::get_hitrate() const {
-        return base_hitrate;
+        return base_hit_rate;
 }
 
 bool character::is_hostile() const {
@@ -61,7 +61,7 @@ void character::set_gold(const int ngold) {
 }
 
 void character::set_hitrate(const float nhitrate) {
-        base_hitrate = nhitrate;
+        base_hit_rate = nhitrate;
 }
 
 void character::set_hostile(const bool is_hostile) {
diff --git a/src/characters.h b/src/characters.h
index 88884e5..b14ff7e 100644
--- a/src/characters.h
+++ b/src/characters.h
@@ -90,7 +90,7 @@ protected:
         int gold; // characters spawn with gold
         // inventory inventory; // Reserved
 
-        float base_hitrate; // requires: between [0,1]
+        float base_hit_rate; // requires: between [0,1]
 
         bool hostile;
 };
diff --git a/src/constants.h b/src/constants.h
index 1279f36..13be32c 100644
--- a/src/constants.h
+++ b/src/constants.h
@@ -8,7 +8,7 @@
 
 const int INF = 0x3F3F3F3F;
 
-enum error {none};
+enum error {none}; 
 
 // TODO: update result to include subject
 enum result {fine, died, go_down, hit, moved, miss};
@@ -18,16 +18,16 @@ enum stat_name {HP, ATK, DEF, hostile};
 const int LAYER_CNT = 4; // TODO: update as you go
 enum layer_num {map = 0, objects, characters, shop};
 
-const int RACE_CNT = 3; // TODO: update as you go
+const int RACE_CNT = 4; // TODO: update as you go
 
-enum race {unknown = 0, rshade , rvampire /* TODO: fill out the other races (including enemies) */};
+enum race {unknown = 0, rshade , rvampire, goblin /* TODO: fill out the other races (including enemies) */};
 
 // TODO: fill out the other races (including enemies)
-const int MAX_HP[RACE_CNT]       = {0, 125, INF};
-const int STARTING_HP[RACE_CNT]  = {0, 125, 50};
-const int STARTING_ATK[RACE_CNT] = {0, 25, 25};
-const int STARTING_DEF[RACE_CNT] = {0, 25, 25};
-const char CHARACTER_REP[RACE_CNT] = {'@', 'S'};
+const int MAX_HP[RACE_CNT]       = {0, 125, INF, 110};
+const int STARTING_HP[RACE_CNT]  = {0, 125, 50, 110};
+const int STARTING_ATK[RACE_CNT] = {0, 25, 25, 15};
+const int STARTING_DEF[RACE_CNT] = {0, 25, 25, 20};
+const char CHARACTER_REP[RACE_CNT] = {'@', 'S', 'V', 'G'};
 
 
 
diff --git a/src/goblin.cc b/src/goblin.cc
new file mode 100644
index 0000000..48907b6
--- /dev/null
+++ b/src/goblin.cc
@@ -0,0 +1,30 @@
+#include "goblin.h"
+#include <algorithm>
+#include <math.h>
+
+
+result goblin::attack(const direction dir, const character_list &chlist) {
+        position tmp{pos + MOVE[dir]};
+
+        for (auto &ch : chlist)
+                if (tmp == ch->get_position()) {
+                        auto res = ch->get_hit(race, ATK, base_hit_rate);
+                        if (res == result::died) {
+                            gold += GAIN_GOLD;
+                        }
+                        return res;
+                }
+
+        return result::fine;
+}
+
+result goblin::get_hit(const enum race &race, const int atk,
+                      const float hitrate) {
+        if (rng.rand_num() <= hitrate * (float)RAND_MAX) 
+                HP = std::max(HP - calc_dmg(atk, DEF), 0);
+
+        if (HP == 0)
+                return result::died;
+
+        return result::hit;
+}
diff --git a/src/goblin.h b/src/goblin.h
new file mode 100644
index 0000000..d2f89db
--- /dev/null
+++ b/src/goblin.h
@@ -0,0 +1,16 @@
+#ifndef __GOBLIN_H__
+#define __GOBLIN_H__
+#include "characters.h"
+
+const int GAIN_GOLD = 5;
+
+class goblin final: public character {
+public:
+        goblin(const position_list &available_positions); // spawn at a random place
+        virtual result attack(const direction dir,
+                              const character_list &chlist) override;
+        virtual result get_hit(const enum race &race, const int atk,
+                               const float hit_rate) override;        
+};
+
+#endif
\ No newline at end of file
diff --git a/src/races.cc b/src/races.cc
index 1724a08..b3f8b1a 100644
--- a/src/races.cc
+++ b/src/races.cc
@@ -15,7 +15,7 @@ result shade::attack(const direction dir, const character_list &chlist) {
 
         for (auto &ch : chlist)
                 if (tmp == ch->get_position()) {
-                        return ch->get_hit(race, ATK, base_hitrate);
+                        return ch->get_hit(race, ATK, base_hit_rate);
                 }
 
         return result::fine;
diff --git a/src/vampire.cc b/src/vampire.cc
index 12cdb1d..99fffd7 100644
--- a/src/vampire.cc
+++ b/src/vampire.cc
@@ -1,5 +1,4 @@
 #include "vampire.h"
-
 #include <algorithm>
 #include <math.h>
 
@@ -9,7 +8,7 @@ result vampire::attack(const direction dir, const character_list &chlist) {
 
         for (auto &ch : chlist)
                 if (tmp == ch->get_position()) {
-                        auto res = ch->get_hit(race, ATK, base_hitrate);
+                        auto res = ch->get_hit(race, ATK, base_hit_rate);
                         if (res != result::miss) {
                                 HP += GAIN_HP;
                         }