diff --git a/deploy/healthcheck/metin-login-healthcheck.sh b/deploy/healthcheck/metin-login-healthcheck.sh
index cf265c0..f2cd50f 100755
--- a/deploy/healthcheck/metin-login-healthcheck.sh
+++ b/deploy/healthcheck/metin-login-healthcheck.sh
@@ -58,19 +58,26 @@ if ! id "${RUN_AS_USER}" >/dev/null 2>&1; then
   exit 1
 fi
 
-DELETE_LOGIN="smkdel$(date +%s)"
+unique_suffix() {
+  printf '%s%s' "$(date +%s%N | tail -c 9)" "$(openssl rand -hex 2)"
+}
+
+DELETE_SUFFIX="$(unique_suffix)"
+FULL_SUFFIX="$(unique_suffix)"
+
+DELETE_LOGIN="smkd${DELETE_SUFFIX}"
 DELETE_PASSWORD="$(openssl rand -hex 6)"
 DELETE_SOCIAL_ID="$(date +%s%N | tail -c 14)"
 DELETE_EMAIL="${DELETE_LOGIN}@example.invalid"
-DELETE_CHARACTER_NAME="c${DELETE_LOGIN}"
+DELETE_CHARACTER_NAME="d${DELETE_SUFFIX}"
 DELETE_PRIVATE_CODE="${DELETE_SOCIAL_ID: -7}"
 DELETE_ACCOUNT_ID=""
 
-FULL_LOGIN="smkfull$(date +%s)"
+FULL_LOGIN="smkf${FULL_SUFFIX}"
 FULL_PASSWORD="$(openssl rand -hex 6)"
 FULL_SOCIAL_ID="$(date +%s%N | tail -c 14)"
 FULL_EMAIL="${FULL_LOGIN}@example.invalid"
-FULL_CHARACTER_NAME="c${FULL_LOGIN}"
+FULL_CHARACTER_NAME="f${FULL_SUFFIX}"
 FULL_ACCOUNT_ID=""
 
 cleanup_account() {
@@ -116,6 +123,8 @@ create_account() {
   local social_id="$3"
   local email="$4"
 
+  cleanup_account "" "${login}"
+
   mysql -N account <<SQL
 INSERT INTO account (
   login,