diff --git a/src/end.c b/src/end.c
index 08141258f..09213205b 100644
--- a/src/end.c
+++ b/src/end.c
@@ -1824,6 +1824,7 @@ const char *killername;
     if (k == (struct kinfo *) 0) {
         /* no match, add a new delayed killer to the list */
         k = (struct kinfo *) alloc(sizeof(struct kinfo));
+        (void) memset((genericptr_t)k, 0, sizeof(struct kinfo));
         k->id = id;
         k->next = killer.next;
         killer.next = k;
diff --git a/src/engrave.c b/src/engrave.c
index faa813351..6bb71b9cd 100644
--- a/src/engrave.c
+++ b/src/engrave.c
@@ -385,11 +385,12 @@ long e_time;
 xchar e_type;
 {
     struct engr *ep;
+    unsigned smem = strlen(s) + 1;
 
     if ((ep = engr_at(x, y)) != 0)
         del_engr(ep);
-    ep = newengr(strlen(s) + 1);
-    (void) memset((genericptr_t)ep, 0, sizeof(struct engr));
+    ep = newengr(smem);
+    (void) memset((genericptr_t)ep, 0, smem + sizeof(struct engr));
     ep->nxt_engr = head_engr;
     head_engr = ep;
     ep->engr_x = x;
@@ -401,7 +402,7 @@ xchar e_type;
         exercise(A_WIS, TRUE);
     ep->engr_time = e_time;
     ep->engr_type = e_type > 0 ? e_type : rnd(N_ENGRAVE - 1);
-    ep->engr_lth = strlen(s) + 1;
+    ep->engr_lth = smem;
 }
 
 /* delete any engraving at location <x,y> */
diff --git a/src/mplayer.c b/src/mplayer.c
index de5a2d680..ec895546c 100644
--- a/src/mplayer.c
+++ b/src/mplayer.c
@@ -16,9 +16,10 @@ STATIC_DCL void FDECL(mk_mplayer_armor, (struct monst *, SHORT_P));
  */
 static const char *developers[] = {
     /* devteam */
-    "Dave",    "Dean",   "Eric",    "Izchak", "Janet",    "Jessie",
-    "Ken",     "Kevin",  "Michael", "Mike",   "Pat",      "Paul",
-    "Steve",   "Timo",   "Warwick",
+    "Alex",    "Dave",   "Dean",    "Derek",   "Eric",    "Izchak",
+    "Janet",   "Jessie", "Ken",     "Kevin",   "Michael", "Mike",
+    "Pasi",    "Pat",    "Patric",  "Paul",    "Sean",    "Steve",
+    "Timo",    "Warwick",
     /* PC team */
     "Bill",    "Eric",   "Keizo",   "Ken",    "Kevin",    "Michael",
     "Mike",    "Paul",   "Stephen", "Steve",  "Timo",     "Yitzhak",
diff --git a/src/region.c b/src/region.c
index 3ab0317b2..b38936c81 100644
--- a/src/region.c
+++ b/src/region.c
@@ -91,6 +91,7 @@ int nrect;
     NhRegion *reg;
 
     reg = (NhRegion *) alloc(sizeof(NhRegion));
+    (void) memset((genericptr_t)reg, 0, sizeof(NhRegion));
     /* Determines bounding box */
     if (nrect > 0) {
         reg->bounding_box = rects[0];
diff --git a/src/shk.c b/src/shk.c
index a914a56d7..abd9a33b0 100644
--- a/src/shk.c
+++ b/src/shk.c
@@ -3307,6 +3307,7 @@ long cost;
             return;
         }
     tmp_dam = (struct damage *) alloc((unsigned) sizeof(struct damage));
+    (void) memset((genericptr_t)tmp_dam, 0, sizeof(struct damage));
     tmp_dam->when = monstermoves;
     tmp_dam->place.x = x;
     tmp_dam->place.y = y;