As an adjective, chiisai or chiisana.
You may 'chiisai kuma.'
Kousagi would be "small bunny" or "bunny child" in English.
names do not change when translated, so it would be, katakana script, e-(small tsu)-di-
小さい天使 (chiisai tenshi)
ちび天使 (chibi tenshi) is one way of saying "small angel."
'Chiisai' is little/small, but if you want to refer to height, 'hikui' is "short" in Japanese.
"Small" in English means piccolo in Italian.
Written: u chi small yuSpoken: Uchu
"Small town" in English is piccola città in Italian.
"Small church" in English means piccola chiesa in Italian.
cagnolino